Mainebiz

V O L . X X X I I N O. V I I A P R I L 6 , 2 0 2 6 36 R E A L E S TAT E / C O N S T R U C T I O N / E N G I N E E R I N G F O C U S Maine-based construction firms Ranked by 2025 revenue Company 2025 revenue/ Maine employees/ total employees Notable project(s) completed in 2025 Ongoing project Principal(s) 1 Cianbro 101 Cianbro Square, Pittsfield 04967 487-3311 • cianbro.com $ 1.3 billion 800 3,100 Southport Swing Bridge National Park Service Shoreline and Seawall Rehabilitation, Washington, D.C. Peter "Andi" Vigue CEO 2 Sargent 3 Godfrey Drive, Orono 04473 827-4435 • sargent.us $ 293.8 million 389 591 Maine Turnpike Authority, Exits 35 & 36, Saco ( $ 42.1 million) MaineDOT Route 1 Bypass, Presque Isle ( $ 77.9 million) Eric Ritchie president & CEO 3 Landry/French Construction 160 Pleasant Hill Road, Scarborough 04074 730-5566 • landryfrench.com $ 266.4 million 99 135 Rock Row Health Campus, Westbrook ( $ 94.0 million) Windham-Raymond Middle School, Windham ( $ 108.0 million) Kevin French CEO 4 Reed & Reed Inc. P.O. Box 370, Woolwich 04579 443-9747 • reed-reed.com $ 152.0 million 190 200 Downeast Wind Farm, Washington County ( $ 100.0 million) Maine Maritime Waterfront Project, Castine ( $ 86.0 million) Jackson A. Parker chairman & CEO 5 Wright-Ryan Construction 10 Danforth St., Portland 04101 773-3625 • wright-ryan.com $ 138.8 million 114 114 Vertical Harvest Farm, Westbrook ( $ 53.1 million) Conners Emerson School, Bar Harbor ( $ 60.8 million) Alan Sparn president John Ryan board chair 6 Shaw Brothers Construction Inc. 341 Mosher Road, Gorham 04038 839-2552 • shawbrothers.com $ 137.0 million 240 240 Plus Power, Gorham ( $ 5.3 million) Windham Sewer ( $ 14.0 million) Jonathan Shaw president 1 7 Zachau Construction 2 Stonewood Drive, Freeport 04032 865-9925 • zachauconstruction.com $ 106.0 million 57 57 Cedar Bend Condominiums, Boothbay Riverton Park, Portland Jeff Zachau CEO Drew Wing president 8 Optimum Construction Inc. 91 Auburn St., Suite 1030, Portland 04103 808-8269 • optimumconstruction.com $ 98.5 million 40 52 Portland International Jetport Terminal Expansion Bath Iron Works Workforce Housing, Bath Kendrick Ballantyne president 2 9 Hebert Construction 150 Mill St., Lewiston 04240 783-2091 • hebertconstruction.com $ 81.5 million 79 79 Wedgewood, Lewiston ( $ 39.0 million) Portland Veterinary Emergency and Specialty Care (PVESC), Falmouth ( $ 27.7 million) Timothy Hebert CEO 10 Penobscot General Contractors 241 U.S. Route 1, Suite 401, Falmouth 04105 236-6390 • penobscotgc.com $ 63.0 million 30 30 The Eddy, Biddeford ( $ 52.0 million) 89 Elm St., Portland ( $ 64.0 million) Clay Maker Jon DiCentes co-presidents 11 Nickerson & O'Day Inc. 35 Airport Road, Brewer 04412 989-7400 • nickoday.com $ 57.8 million 50 50 Acadia Gateway Center, Trenton ( $ 32.0 million) McFarland Hill Maintenance Facility, Acadia National Park ( $ 35.0 million) Wade Poulton president Karl Ward CEO & board chair 12 CCB Inc. 65 Bradley Drive, Westbrook 04092 464-2626 • ccb-inc.com $ 55.5 million 135 137 N/A N/A Marc Belanger president 13 Knickerbocker Group 3 3 Builders Square, Boothbay 04537 633-3818 • knickerbockergroup.com $ 54.5 million 4 88 88 Cape Elizabeth Residence Naples Generational Retreat Danielle Betts president 14 Crooker Construction 103 Lewiston Road, Topsham 04086 729-3331 • crooker.com $ 51.9 million 180 180 Edward Little High School, Auburn ( $ 22.0 million) L.L.Bean expansion, Biddeford ( $ 50.0 million) Ian Messier president Thomas C. Sturgeon CEO 15 Bancroft Contracting Corp. 23 Phillips Road, South Paris 04281 743-8946 • bancroftcontracting.com $ 44.8 million 165 165 Cataract Fishway, Saco-Biddeford ( $ 4.6 million) Casco Bay Islands Terminal ( $ 2.3 million) Mark Bancroft president & CEO 16 R.J. Grondin & Sons 11 Bartlett Road, Gorham 04038 854-1147 • rjgrondin.com $ 43.6 million 150 150 MaineDOT Route 202, Gorham-Buxton-Hollis ( $ 8.3 million) Saco Schools, site improvements ( $ 20.0 million) Larry Grondin president 5 17 Ranger Construction 1 Savage St., Fairfield 04937 680-9320 • rangermaine.com $ 37.8 million 90 90 Lower Main St., utilities improvement, Bar Harbor ( $ 7.2 million) MaineDOT Camden Road Rehabilitation ( $ 9.4 million) Bill Sanborn CEO Jon Sanborn president 6 18 Gorham Sand & Gravel Inc. 939 Parker Farm Road, Buxton 04093 839-2442 • gsgravel.com $ 34.0 million 95 95 Enterprise Rent-A-Car, Saco Elm St. Sewer Repair James Shaw president 7 19 T-Buck Construction 302B Auburn Road, Turner 04282 783-6223 • tbuckconstruction.com $ 31.0 million 50 50 Livermore Waste Water Treatment Facility ( $ 11.0 million) MaineDOT Bar Harbor Cromwell Bridge ( $ 2.5 million) Richard Wentworth president 20 KBS Builders Inc. 8 300 Park St., South Paris 04281 739-2400 • kbsbuildersinc.com $ 30.0 million 120 120 Dougherty Commons, Portland ( $ 3.0 million) Conifer Ridge, Rangeley ( $ 2.1 million) Thatcher Butcher president 21 Prock Marine Co. 67 Front St., Rockland 04841 594-9565 • prockmarinecompany.com $ 19.6 million 41 41 Subcom, Newington, N.H. ( $ 2.9 million) Cape Porpoise Pier, Kennebunkport ( $ 7.4 million) Eric Prock president SOURCE: Each construction firm via survey. Note: Unable to confirm data for Fairfield's Sheridan Construction Corp. by press time; the company would be the 14th largest on the list based on Mainebiz's 2025 survey. See the full list of the 25 firms that have submitted a Mainebiz survey so far in 2026 at mainebiz.biz/data/construction-firms/. N/A = not available. 1 Daniel Shaw, treasurer 2 Ryan Lessard, vice president 3 Additional location at 82 Hanover St. in Portland 4 Includes revenue from design services 5 Sean O'Leary, vice president 6 Les Marcue, general manager 7 Patrick and Darin Shaw, officers 8 Subsidiary of Star Equity Holdings Inc., with additional location in Oxford - This list was compiled by Stephanie R. Meagher and published in the April 6, 2026, issue of Mainebiz. C O M P I L E D B Y S T E P H A N I E M E A G H E R C O M P I L E D B Y S T E P H A N I E M E A G H E R Maine-based construction firms Ranked by 2025 revenue 1 Daniel Shaw, treasurer 2 Ryan Lessard, vice president 3 Additional location at 82 Hanover St. in Portland 4 Includes revenue from design services 5 Sean O'Leary, vice president 6 Les Marcue, general manager 7 Patrick and Darin Shaw, officers 8 Subsidiary of Star Equity Holdings Inc., with additional location in Oxford N O T E : Unable to confirm data for Fairfield's Sheridan Construction Corp. by press time; the company would be the 14th largest on the list based on Mainebiz's 2025 survey. See the full list of the 25 firms that have submitted a Mainebiz survey so far in 2026 at mainebiz.biz/data/ construction-firms/. N/A = not available. S O U R C E : Each construction firm via survey. HAVEN'T SUBMITTED YOUR 2026 CONSTRUCTION FIRM SURVEY? It's not too late to make the Fact Book, where the list reappears this summer. Reach out to research@nebusinessmedia.com

• Cover