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Corporate Or Business Office in Portsmouth
71 corporate or business office businesses in Portsmouth, United States. All Portsmouth businesses →
At a glance
As of August 2026, business.wiki lists 71 corporate or business office businesses in Portsmouth— 0.9% of the city's 8,332 listed businesses. 97% publish a phone number and 97% have a website, spread across 25 postcode districts.
Where in Portsmouth: 03801 (36)·02871 (4)·23707 (4)·45662 (4)·23704 (3)·02871-1386 (1)·02871-5805 (1)·03801-2846 (1)
Directory — top 30 by data completeness
| Business | Address | Postcode | Phone | Web |
|---|---|---|---|---|
| The One Hundred Club | 100 Market St | 03801-3757 | +16037664100 | ✓ |
| The Aquidneck Club | 125 Corys Ln | 02871-1386 | +14016826000 | ✓ |
| Zyfexx | 101 Bierly Rd | 45662-8805 | +18777339939 | ✓ |
| K & K Carpet Care | 5539 Endicott Ave | 45662 | (740) 776-2090 | ✓ |
| Spectrum Store | 1223 Offnere St | 45662-3501 | +18884067063 | ✓ |
| Elks Lodge | 544 4th St | 45662-3838 | +17403531013 | ✓ |
| Sovereign Advanced Technologies | 898 Meander Rd | 23707-2117 | +17573990177 | ✓ |
| Elizabeth River Crossings, OpCo, LLC | 152 Tunnel Facility Dr | 23707 | (757) 932-4400 | ✓ |
| US SAILING | 15 Maritime Dr | 02871 | (401) 683-0800 | ✓ |
| Peter Barry Consulting | 126 Lepes Rd | 02871 | (844) 738-3792 | ✓ |
| Thermo Fisher Scientific | 20 Post Rd | 03801-5622 | +16034318410 | ✓ |
| Mosaic Technology Corporation | 55 Heritage Ave | 03801-5661 | +16038985966 | ✓ |
| 2-Way Communications Service | 19 Durham St | 03801-2872 | +16034316288 | ✓ |
| Lonza | 101 International Dr | 03801-2846 | +16033346100 | ✓ |
| PixelMEDIA, Inc. | 75 NH Ave Ste 100 | 03801 | (603) 430-2033 | ✓ |
| GlobalSign USA | 2 International Dr | 03801 | +16035707060 | ✓ |
| Treeno Software | 951 Islington St | 03801 | (800) 528-5005 | ✓ |
| Connected Office Technologies | 933 US Highway 1 Byp | 03801-3553 | +18775977666 | ✓ |
| Infinite Imaging | 933 Islington St | 03801 | (603) 436-3030 | ✓ |
| Comcast Service Center | 180 Greenleaf Ave | 03801 | (800) 266-2278 | ✓ |
| Irving Oil Terminal | 50 Preble Way | 03801-3438 | +16034365147 | ✓ |
| Donahue, Tucker & Ciandella, PLLC | 111 Maplewood Ave, Ste D | 03801 | (603) 766-1686 | ✓ |
| Jim Collins - CMG Financial Mortgage Loan Officer NMLS# 153218 | 40 Congress Street 3d Floor | 03801 | (207) 752-3320 | ✓ |
| Barton & Gray Mariners Club | 20 Ladd St | 03801-4080 | +16177283555 | ✓ |
| Nerd-1-1 IT Consultants | 155 Fleet St | 03801-4050 | +16037661917 | ✓ |
| Alex Talcott - Ameriprise Financial Services, Inc | 25 Chestnut St Ste 300N | 03801 | (603) 430-9080 | ✓ |
| Boldwerks | 477 State St | 03801 | (603) 436-2065 | ✓ |
| Southend Yacht Club | 7 Pickering St | 03801 | +16032353212 | ✓ |
| Warwick Club | 5 Market St | 03801-3752 | +16034360536 | ✓ |
| Portsmouth Brewer Marina | 222 Narragansett Blvd | 02871-5805 | +14016832763 | ✓ |
Showing the 30 most complete records of 71 total. Every listed business has its own page with map, nearby competitors and city context.
About this data
Counts are computed live from our database of 8,332 Portsmouth businesses, built on open data from the Overture Maps Foundation and refreshed with each monthly release. Cite as: “business.wiki, Corporate Or Business Office in Portsmouth (August 2026)”.