Purchase this list and others as an Excel document at nhbr.com/special-editions/the-book-of-lists
(RANKED BY NUMBER OF NH EMPLOYEES)
| Firm Location | Top NH Executive Website Phone | No. of NH Employees #Arch./Eng./Tech. Staff 2023 Design Billings | Specialties Recent Projects | |
| 1 | PROCON 1359 Hooksett Road Hooksett, NH 03106 | John Stebbins, ceo proconinc.com 603-623-8811 | 140 16/8/22 N/A | Architecture, Construction Mgmt., Design-Build, Electrical, Interior Design, Planning, Structural, Engineering |
| 2 | Randall-Paulson Architects 82 Technology Way, Suite 3W2A Nashua, NH 03060 | Alex S. Paulson, pres. 603-696-1776 | 55 1/0/0 N/A | Architecture, Construction Mgmt., Design-Build, Interior Design, Building Code & Life Safety Analysis, Feasibility Studies, Master Planning, Corporate Branding |
| 3 | Lavallee Brensinger Architects 155 Dow Street, Suite 400 Manchester, NH 03101 | Richard Pizzi, AIA, ceo Christopher Drobat, AIA, pres. lbpa.com 603-622-5450 | 44 14/0/22 N/A | Architecture, Interior Design, Planning Dartmouth Hitchcock Clinics Manchester’s Wellington Road Ambulatory Surgery Center & Outpatients building; Oyster River Cooperative School District’s middle school; SNHU corporate offices at 55 S. Commercial St.; Havenwood Heritage Heights Redevelopment in Concord; BEA Advanced Manufacturing Facilities in Manchester; City of Dover Police Station and Municipal Parking Garage |
| 4 | The H.L. Turner Group Inc. 27 Locke Road Concord, NH 03301 | Heidi Nadeau, ceo hlturner.com 603-228-1122 | 33 3/8/28 N/A | Architecture, Civil, Construction Mgmt. Design-Build, Mechanical, Structural, Building Scientists |
| 5 | JSA Inc. 273 Corporate Drive Portsmouth, NH 03801 | North Sturtevant, coo jsainc.com 603-436-2551 | 30 10/0/17 N/A | Architecture, Design-Build, Interior Design, Planning |
| 6 | TMS Architects One Cate Street, Eldredge Park Portsmouth, NH 03801 | Robert J. Carty Shannon C. Alther, principals tmsarchitects.com 603-436-4274 | 19 8/0/0 N/A | Architecture, Interior Design, Planning, Historic Preservation |
| 7 | Warrenstreet Architects, Inc. 4 Crescent Street, Unit 2 Concord, NH 03301 | Jonathan Halle, princ./owner warrenstreet.coop 603-225-0640 | 15 6/0/7 N/A | Architecture, Design-Build, Interior Design, Planning, Landscape, Grappone Mazda, Concord; Kelly Falls Housing, Manchester; Strafford County Nursing Home Dover |
| 8 | Maugel DeStefano Architects 22 Ladd Street Portsmouth, NH 03801 | Lisa DeStefano, princ. maugel.com 603-431-8701 | 10 2/0/7 N/A | Architecture, Design-Build, Planning |
| 9 | Christopher P. Williams Architects, PLLC 4 Stevens Avenue #5, PO Box 703 Meredith, NH 03253 | Christopher P. Williams, mng. prin. cpwarchitects.com 603-279-6513 | 9 4/0/0 N/A | Architecture, Interior Design, Planning, Sustainable Design, Historic Preservation, Commercial, Municipal, Institutional and Residential Design |
| 10 | Banwell Architects 6 South Park Street Lebanon, NH 03766 | Ingrid Moulton Nichols, pres. banwellarchitects.com 603-448-3778 | 9 1/0/0 N/A | Architecture, Interior Design, Historic Preservation, Green Design/LEED/CHPS |
| 11 | Samyn-D’Elia Architects 6 Central House Road Holderness, NH 03245 | Ward D’Elia, princ./pres. sdarchitects.com 603-968-7133 | 7 2/0/5 N/A | Architecture, Planning |
| 12 | MA+KE Architects 53 So Main Street, Suite 204, PO Box 231 Hanover, NH 03755 | Christopher P. Kennedy, princ./pres. ma-ke-arch.com 603-643-8868 | 7 6/0/1 N/A | Architecture, Planning, Sustainable Design, Energy-Efficient Design, Community Planning |
Source: NH Business Review survey