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Professional Service in Smithtown
55 professional service businesses in Smithtown, United States. All Smithtown businesses →
At a glance
As of August 2026, business.wiki lists 55 professional service businesses in Smithtown— 2.3% of the city's 2,358 listed businesses. 98% publish a phone number and 95% have a website, spread across 40 postcode districts.
Where in Smithtown: 11787 (11)·11725-6400 (2)·11787-2801 (2)·11787-5014 (2)·11788 (2)·11788-3712 (2)·11725 (1)·11725-5009 (1)
Directory — top 30 by data completeness
| Business | Address | Postcode | Phone | Web |
|---|---|---|---|---|
| RR Health Strategies LLC | 102 Motor Pkwy | 11788-5109 | +16312310505 | ✓ |
| Stony Brook Small Business Development Center | 1512 Development Drive #17 | 11794 | +16316329070 | ✓ |
| Ustaff360 | 150 Veterans Memorial Hwy | 11725-6400 | +18563878233 | ✓ |
| Starship Marketing | 150 Veterans Memorial Hwy | 11725-6400 | +18338684378 | ✓ |
| Presidio | 110 Parkway Dr S | 11788-2012 | +16316567600 | ✓ |
| Carr Business Systems | 500 Commack Rd | 11725-5009 | +16312499880 | ✓ |
| Adept Technology Consulting | 125 Wireless Blvd | 11788-3937 | +16316761756 | ✓ |
| Jim Lennon Photographer | 175 Commerce Dr | 11788-3913 | +16316175872 | ✓ |
| Promotional Insights | 150 Motor Pkwy | 11788 | +16314703722 | ✓ |
| Safety Consulting & Compliance Corporation | 150 Motor Pkwy | 11788 | +16316427350 | ✓ |
| ConnectOnCall | 200 Motor Pkwy | 11788-5100 | +15163664184 | ✓ |
| I Volution Medical Systems | 95 Marcus Blvd | 11788-3712 | +16319983495 | ✓ |
| Vanity Photo Booths | 99 Marcus Blvd | 11788-3712 | +16316230444 | ✓ |
| Municipal Testing Laboratory | 375 Rabro Dr | 11788-4227 | +16317615555 | ✓ |
| LB International | 150 Engineers Rd | 11788-4027 | +16312364400 | ✓ |
| JML Promotions | 152 Grassy Pond Dr S | 11787 | +16314626479 | ✓ |
| Astarita Associates Inc | 414 RT-111 | 11787-4757 | +16312652950 | ✓ |
| Moving Forward Small Business | Therapy Services, 88 Terry Rd | 11787-3811 | +16466437881 | ✓ |
| Hampton and Smith | 811 W Jericho Tpke | 11787-3220 | +16317073907 | ✓ |
| KOW Building Consultants | 1034 W Jericho Tpke | 11787-3209 | +18559665888 | ✓ |
| InterConnecta | 2171 Jericho Tpke | 11725 | +16467604090 | ✓ |
| Sara Miller Photo Studio | 35 Manor Rd | 11787 | +16312639971 | ✓ |
| Gary Woods | 73 E Main St | 11787-2801 | +16314318808 | ✓ |
| Main Street Digital Marketing | 47 W Main St | 11787-2603 | +15165913399 | ✓ |
| Linx Communications | 155 E Main St | 11787-2853 | +16313614400 | ✓ |
| PEO Spectrum Inc. | 18 Bellemeade Ave | 11787-1802 | +18777364249 | ✓ |
| Social Vibe Marketing | 25 Route 111 | 11787-7000 | +16313537665 | ✓ |
| Benjamin Marc | 36 Terry Rd | 11787-3810 | +16313344359 | ✓ |
| HW Staffing Solutions | 765 Smithtown Byp | 11787-5129 | +16312653800 | ✓ |
| Aurora Marketing Inc | 738 Smithtown Byp | 11787-5014 | +16319791313 | ✓ |
Showing the 30 most complete records of 55 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 2,358 Smithtown businesses, built on open data from the Overture Maps Foundation and refreshed with each monthly release. Cite as: “business.wiki, Professional Service in Smithtown (August 2026)”.