Products & Services
About PHP CrossRef
PHP CrossRef is listed as a company employing 11-20 people, reporting $1M-$5M in annual revenue, classified under Information, based in Boston, Massachusetts, United States and operating in Media.
Its primary NAICS classification is 519290 (Web Search Portals and All Other Information Services). PHP CrossRef is one of 29,976 Communication companies listed in Massachusetts.
Business Contact Information
- Website
- phpcrossref.com
- Address
- 5 51 Franklin St, Boston, Massachusetts, 2110, United States
Industry & Classification
- Industry
- Communication
- Sector
- Media and Entertainment
- Segment
- Media
NAICS Codes
- 51Information
- 5192Web Search Portals, Libraries, Archives, and Other Information Services
- 519290Web Search Portals and All Other Information Services
SIC Codes
- 73Business Services
- 738Miscellaneous Business Services
- 7389Convention and Trade Show Organizers
Company Details
- Employees
- 17 (11-20)
- Annual Revenue
- $3.3M ($1M-$5M)
PHP CrossRef: frequently asked questions
What does PHP CrossRef do?
PHP CrossRef is listed as a company employing 11-20 people, reporting $1M-$5M in annual revenue, classified under Information, based in Boston, Massachusetts, United States and operating in Media.
Where is PHP CrossRef located?
PHP CrossRef is headquartered at 5 51 Franklin St, Boston, Massachusetts, 2110, United States.
How many employees does PHP CrossRef have?
PHP CrossRef has about 17 employees (the 11-20 range).
What is PHP CrossRef's annual revenue?
PHP CrossRef's annual revenue is estimated at $3.3M (the $1M-$5M range).
What industry is PHP CrossRef in?
PHP CrossRef is in the Communication / Media and Entertainment industry, and its primary NAICS code is 519290 (Web Search Portals and All Other Information Services).
How can I contact PHP CrossRef?
Its website is phpcrossref.com.
What companies are similar to PHP CrossRef?
Other large communication companies in Massachusetts include OpenReach Inc, EBSCO Information Services, Virgin Media Ltd and Spark New Zealand Ltd.
Largest communication companies in Massachusetts
Largest companies in Massachusetts
Largest communication companies
Manufacturing sales in Massachusetts, 2026
In Massachusetts, Factur's 2026 study counted 32 manufacturing quotes worth $961K and 7 purchase orders over 12 months: 22% of quotes became orders, against 21% nationally. See the Massachusetts data.
Own this business?
Keep your profile accurate — or ask us to take it down. We acknowledge requests within 7 days and resolve them within 30 days.
Prefer email? privacy@facturmfg.com
Add this badge to your website — show visitors you're listed on Factur Data.