FIRST QUARTER 2026 PRESS RELEASE Document EXHIBIT 99.1 FOR: EMCOR GROUP, INC. News Release CONTACT: Lucas Sullivan Director Financial Planning & Analysis (203) 849-7938 FTI Consulting, Inc. Investors: Blake Mueller (718) 578-3706 EMCOR GROUP, INC. REPORTS FIRST QUARTER 2026 RESULTS Record Quarterly Revenues of $4.63 billion, 19.7% Increase Year-over-Year First Quarter Diluted EPS of $6.84, 30.0% Increase Year-over-Year Record Remaining Performance Obligations of $15.62 billion, 32.9% Increase Year-over-Year Increases 2026 Revenue Guidance Range to $18.50 billion - $19.25 billion from $17.75 billion - $18.50 billion Increases 2026 Diluted EPS Guidance Range to $28.25 - $29.75 from $27.25 - $29.25 NORWALK, CONNECTICUT, April 29, 2026 - EMCOR Group, Inc. (NYSE: EME) today reported results for the first quarter ended March 31, 2026. First Quarter 2026 Results of Operations For the first quarter of 2026, revenues totaled a quarterly record of $4.63 billion, an increase of 19.7%, compared to $3.87 billion for the first quarter of 2025. On an organic basis, when adjusting for incremental acquisition contribution and the impact of the sale of the Company's United Kingdom operations, first quarter revenues increased by 16.8%. Net income for the first quarter of 2026 was $305.5 million, or $6.84 per diluted share, compared to net income of $240.7 million, or $5.26 per diluted share, for the first quarter of 2025. Net income for the first quarter of 2025 included $9.4 million, or $6.9 million after taxes, of transaction related costs associated with the acquisition of Miller Electric Company. Excluding these transaction costs, non-GAAP net income for the first quarter of 2025 was $247.6 million, or $5.41 per diluted share. Operating income for the first quarter of 2026 was $403.8 million, or 8.7% of revenues, compared to operating income of $318.8 million, or 8.2% of revenues, for the first quarter of 2025. Excluding the previously referenced transaction costs, non-GAAP operating income for the first quarter of 2025 was $328.1 million, or 8.5% of revenues. Operating income included depreciation and amortization expense (inclusive of amortization of identifiable intangible assets) of $52.6 million and $41.9 million for the first quarter of 2026 and 2025, respectively. Refer to the attached tables for a reconciliation of non-GAAP revenue growth, non-GAAP operating income, non-GAAP operating margin, non-GAAP net income, and non-GAAP diluted earnings per share to the comparable GAAP measures. – MORE – EMCOR Reports First Quarter 2026 Results Page 2 Selling, general and administrative expenses for the first quarter of 2026 totaled $460.1 million, or 9.9% of revenues, compared to $404.0 million, or 10.4% of revenues, for the first quarter of 2025. The Company's income tax rate for the first quarter of 2026 was 25.5%, compared to 25.8% for the first quarter of 2025. Remaining performance obligations (“RPOs”) as of March 31, 2026 were a record $15.62 billion, compared to $13.25 billion as of December 31, 2025 and $11.75 billion as of March 31, 2025. When compared to December 31, 2025, the Company experienced increased RPOs across the majority of the sectors in which it operates, with the most significant growth coming from Network and Communications, Water and Wastewater, Institutional, and Healthcare. Tony Guzzi, Chairman, President, and Chief Executive Officer of EMCOR, commented, “We started the year well, with record quarterly revenues and strong operating performance as we experienced sustained momentum across several key market sectors and geographies. These results reflect our strategic positioning and operational excellence across our construction and services platforms while demonstrating our customers' confidence in EMCOR as a partner of choice for complex and mission-critical projects. Our Remaining Performance Obligations are again at record levels and we are pleased with the quality and diversity of our bookings during the quarter. The fundamentals of our business remain strong and we are well-positioned for the remainder of 2026." Full-Year 2026 Guidance Based on anticipated project mix and visibility into the remainder of the year, EMCOR now expects the following for full year 2026: Current Guidance (4/29/26) Previous Guidance (2/26/26) Revenues $18.50 billion – $19.25 billion $17.75 billion – $18.50 billion Operating Margin 9.0% – 9.4% 9.0% – 9.4% Diluted EPS $28.25 – $29.75 $27.25 – $29.25 First Quarter 2026 Earnings Conference Call Information EMCOR Group's first quarter conference call will be broadcast live via the internet today, Wednesday, April 29, at 10:30 AM Eastern Daylight Time and can be accessed through the Company's website at www.emcorgroup.com . About EMCOR A Fortune 500 company and a member of the S&P 500, EMCOR Group, Inc. is a leader in mechanical and electrical construction services, industrial and energy infrastructure, and building services. This press release and other press releases may be viewed at the Company’s website at www.emcorgroup.com . EMCOR routinely posts information that may be important to investors on the landing page of the Company's website and in the “Investor Relations” section of the website at www.emcorgroup.com/investor-relations . Investors and potential investors are encouraged to consult the EMCOR website regularly for important information about EMCOR. – MORE – EMCOR Reports First Quarter 2026 Results Page 3 Forward Looking Statements: This release and related presentation contain forward-looking statements. Such statements speak only as of April 29, 2026, and EMCOR assumes no obligation to update any such forward-looking statements, unless required by law. These forward-looking statements include statements regarding anticipated future operating and financial performance; financial guidance and projections underlying that guidance; the nature and impact of our remaining performance obligations; the timing of future projects; our ability to support organic growth and balanced capital allocation, including the anticipated impact of our strategic investments; the financial and operational impact of acquisitions and/or dispositions, our competitiveness, market opportunities, and growth prospects; customer trends; and project mix. These forward-looking statements involve risks and uncertainties that could cause actual results to differ materially from those anticipated (whether expressly or implied) by the forward-looking statements. Accordingly, these statements do not guarantee future performance or events. Applicable risks and uncertainties include, but are not limited to, adverse effects of general economic conditions; domestic and international political developments and/or conflicts; changes in the specific markets for EMCOR’s services; weakness of the sectors from which we generate revenues; adverse business conditions; scarcity of skilled labor; productivity challenges; the nature and extent of supply chain disruptions impacting availability and pricing of materials; inflationary trends, including fluctuations in energy costs; the impact of legislation and/or government regulations; changes in foreign trade policy including the effect of tariffs; changes in interest rates; the lack of availability of adequate levels of surety bonding; increased competition; the impact of legal proceedings, claims, lawsuits, or governmental investigations; and unfavorable developments in the mix of our business. Certain of the risk factors associated with EMCOR’s business are also discussed in Part I, Item 1A “Risk Factors,” of the Company’s 2025 Form 10-K, and in other reports filed from time to time with the Securities and Exchange Commission and available at www.sec.gov and www.emcorgroup.com. Such risk factors should be taken into account in evaluating our business, including any forward-looking statements. Non-GAAP Measures: This release and related presentation also include certain financial measures that were not prepared in accordance with U.S. generally accepted accounting principles (GAAP). Reconciliations of those non-GAAP financial measures to the most directly comparable GAAP financial measures are included in this release. The Company uses these non-GAAP measures as key performance indicators for the purpose of evaluating performance internally. We also believe that these non-GAAP measures provide investors with useful information with respect to our ongoing operations. Any non-GAAP financial measures presented are not, and should not be viewed as, substitutes for financial measures required by GAAP, have no standardized meaning prescribed by GAAP, and may not be comparable to the calculation of similar measures of other companies. EMCOR GROUP, INC. FINANCIAL HIGHLIGHTS CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS (In thousands, except share and per share information) (Unaudited) For the quarters ended March 31, 2026 2025 Revenues $ 4,628,233 $ 3,867,372 Cost of sales 3,764,283 3,144,654 Gross profit 863,950 722,718 Selling, general and administrative expenses 460,105 403,962 Operating income 403,845 318,756 Net periodic pension income — 54 Interest income, net 6,227 5,387 Income before income taxes 410,072 324,197 Income tax provision 104,588 83,520 Net income $ 305,484 $ 240,677 Basic earnings per common share $ 6.85 $ 5.27 Diluted earnings per common share $ 6.84 $ 5.26 Weighted average shares of common stock outstanding: Basic 44,564,932 45,634,877 Diluted 44,687,157 45,784,235 Dividends declared per common share $ 0.40 $ 0.25 EMCOR GROUP, INC. CONDENSED CONSOLIDATED BALANCE SHEETS (In thousands) (Unaudited) March 31, 2026 December 31, 2025 ASSETS Current assets: Cash and cash equivalents $ 916,420 $ 1,111,968 Accounts receivable, net 4,549,956 4,241,177 Contract assets 377,332 337,717 Inventories 130,208 126,252 Prepaid expenses and other 100,577 120,231 Total current assets 6,074,493 5,937,345 Property, plant, and equipment, net 264,696 253,277 Operating lease right-of-use assets 478,646 439,029 Goodwill 1,433,937 1,412,414 Identifiable intangible assets, net 1,089,866 1,108,828 Other assets 166,469 140,506 Total assets $ 9,508,107 $ 9,291,399 LIABILITIES AND EQUITY Current liabilities: Accounts payable $ 1,149,028 $ 1,227,428 Contract liabilities 2,417,021 2,327,360 Accrued payroll and benefits 710,038 870,154 Other accrued expenses and liabilities 443,116 340,785 Operating lease liabilities, current 102,296 99,213 Total current liabilities 4,821,499 4,864,940 Operating lease liabilities, long-term 408,122 368,996 Other long-term obligations 410,910 382,482 Total liabilities 5,640,531 5,616,418 Equity: Total EMCOR Group, Inc. stockholders’ equity 3,866,539 3,673,944 Noncontrolling interests 1,037 1,037 Total equity 3,867,576 3,674,981 Total liabilities and equity $ 9,508,107 $ 9,291,399 EMCOR GROUP, INC. CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS For the Three Months Ended March 31, 2026 and 2025 (In thousands) (Unaudited) 2026 2025 Cash flows - operating activities: Net income $ 305,484 $ 240,677 Adjustments to reconcile net income to net cash provided by operating activities: Depreciation and amortization 18,362 15,582 Amortization of identifiable intangible assets 34,212 26,363 Provision for credit losses 395 4,718 Deferred income taxes (6,954) 2,777 Excess tax benefits from share-based compensation (6,042) (3,496) Non-cash share-based compensation expense 10,590 9,270 Other reconciling items (650) (798) Changes in operating assets and liabilities, excluding the effect of businesses acquired (354,839) (186,622) Net cash provided by operating activities 558 108,471 Cash flows - investing activities: Payments for acquisitions of businesses, net of cash acquired (43,674) (850,644) Proceeds from sale or disposal of property, plant, and equipment 636 1,334 Purchases of property, plant, and equipment (28,712) (26,131) Net cash used in investing activities (71,750) (875,441) Cash flows - financing activities: Proceeds from revolving credit facility — 250,000 Repayments of finance lease liabilities (646) (775) Dividends paid to stockholders (17,810) (11,451) Repurchases of common stock (87,107) (224,832) Taxes paid related to net share settlements of equity awards (17,984) (13,351) Payments for contingent consideration arrangements (809) (420) Net cash used in financing activities (124,356) (829) Effect of exchange rate changes on cash, cash equivalents, and restricted cash — 4,869 Decrease in cash, cash equivalents, and restricted cash (195,548) (762,930) Cash, cash equivalents, and restricted cash at beginning of year (1) 1,111,968 1,340,395 Cash, cash equivalents, and restricted cash at end of period (2) $ 916,420 $ 577,465 _________ (1) Includes $0.8 million of restricted cash classified as “Prepaid expenses and other” in the Consolidated Balance Sheet as of December 31, 2024. (2) Includes $0.8 million of restricted cash classified as “Prepaid expenses and other” in the Consolidated Balance Sheet as of March 31, 2025. EMCOR GROUP, INC. SEGMENT INFORMATION (In thousands, except for percentages) (Unaudited) For the quarters ended March 31, 2026 % of Total 2025 % of Total Revenues from unrelated entities: United States electrical construction and facilities services $ 1,447,414 31 % $ 1,087,844 28 % United States mechanical construction and facilities services 2,026,341 44 % 1,572,602 41 % United States building services 772,649 17 % 742,623 19 % United States industrial services 381,829 8 % 359,002 9 % Total United States operations 4,628,233 100 % 3,762,071 97 % United Kingdom building services — — % 105,301 3 % Consolidated revenues $ 4,628,233 100 % $ 3,867,372 100 % For the quarters ended March 31, 2026 % of Segment Revenues 2025 % of Segment Revenues Operating income (loss): United States electrical construction and facilities services $ 174,481 12.1 % $ 136,057 12.5 % United States mechanical construction and facilities services 221,643 10.9 % 186,747 11.9 % United States building services 40,449 5.2 % 36,423 4.9 % United States industrial services 12,780 3.3 % 6,760 1.9 % Total United States operations 449,353 9.7 % 365,987 9.7 % United Kingdom building services — — 4,987 4.7 % Corporate administration (45,508) — (52,218) — Consolidated operating income 403,845 8.7 % 318,756 8.2 % Other items: Net periodic pension income — 54 Interest income, net 6,227 5,387 Income before income taxes $ 410,072 $ 324,197 EMCOR GROUP, INC. RECONCILIATION OF ORGANIC REVENUE GROWTH (In thousands, except for percentages) (Unaudited) The following table provides a reconciliation between organic revenue growth, a non-GAAP measure, and total revenue growth for the quarter ended March 31, 2026. For the quarter ended March 31, 2026 $ % GAAP revenue growth $ 760,861 19.7 % Incremental revenues from acquisitions (234,120) (6.1) % Impact of lost revenues resulting from sale of United Kingdom operations 105,301 3.2 % Organic revenue growth, a non-GAAP measure $ 632,042 16.8 % EMCOR GROUP, INC. RECONCILIATION OF OTHER NON-GAAP MEASURES (In thousands, except for percentages and per share data) (Unaudited) In our press release, we provide non-GAAP operating income, non-GAAP operating margin, non-GAAP net income, and non-GAAP diluted earnings per common share for the quarter ended March 31, 2025. The following tables provide a reconciliation between these amounts determined on a non-GAAP basis and the most directly comparable GAAP measures. For the quarter ended March 31, 2026 2025 GAAP operating income $ 403,845 $ 318,756 Transaction expenses related to the acquisition of Miller Electric — 9,353 Non-GAAP operating income $ 403,845 $ 328,109 For the quarter ended March 31, 2026 2025 GAAP operating margin 8.7 % 8.2 % Transaction expenses related to the acquisition of Miller Electric — % 0.2 % Non-GAAP operating margin (1) 8.7 % 8.5 % For the quarter ended March 31, 2026 2025 GAAP net income $ 305,484 $ 240,677 Transaction expenses related to the acquisition of Miller Electric — 9,353 Tax effect of transaction expenses related to the acquisition of Miller Electric — (2,410) Non-GAAP net income $ 305,484 $ 247,620 For the quarter ended March 31, 2026 2025 GAAP diluted earnings per common share $ 6.84 $ 5.26 Transaction expenses related to the acquisition of Miller Electric — 0.20 Tax effect of transaction expenses related to the acquisition of Miller Electric — (0.05) Non-GAAP diluted earnings per common share $ 6.84 $ 5.41 _________ (1) Amounts presented in this table do not foot due to rounding. # # #

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other guidance in this release

Text is the filed exhibit, verbatim.