Ranked #29 in Boston
One Source Power
Directory information score: 23/100
Profile updated May 2, 2026
Directory information score for One Source Power
Fixed points summarize recorded information, not service quality. Missing data adds no points and may explain a lower score. Listed credentials and press mentions are not independently verified by this score.
- Public rating
- N/A/5 → 0 / 35 points
- Review Volume
- 0 reviews → 0 / 20 points
- Listed credentials
- None listed → 0 / 5 points
- Listed press mentions
- 0 mentions → 0 / 3 points
- Web Presence
- 19 / 20 points
- Recorded history
- N/A → 0 / 2 points
- Profile information
- 4 / 15 points
Key facts
- Based in
- Boston, MA
- Address
- 1 Westinghouse Plz Ste D11
- Website
- http://www.ospllc.us
- Phone
- (617) 272-3059
- jcallanan@ospllc.us
- Budget tier
- Contact firm
Frequently asked questions
- What is One Source Power's ranking among general contractors in Boston?
- One Source Power is ranked #29 in Boston with a Directory information score of 23/100. This score is based on recorded public reviews, listed credentials, press recognition, portfolio presence, and experience.
- What services does One Source Power offer?
- One Source Power's specific services are not yet catalogued in our directory. Contact the firm directly for their current service offerings.
- What is One Source Power's typical project cost?
- Cost information for One Source Power is not published in our directory. Contact the firm directly at (617) 272-3059 for a project-specific quote.
- Where is One Source Power located and what areas do they serve?
- One Source Power is based in Boston, MA. Their broader service area is not published; confirm with the firm before engaging for work outside the metro.
- How do I hire One Source Power?
- To hire One Source Power: Visit http://www.ospllc.us to review their work, or call (617) 272-3059, or email jcallanan@ospllc.us. Most contractors ask about scope, timeline, and budget range before scheduling an estimate.