Heiser, Mark S
Philadelphia, Pennsylvania
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About Heiser, Mark S
Heiser, Mark S is listed as a company reporting $0M-$1M in annual revenue, classified under Electrical Contractors and Other Wiring Installation Contractors, based in Philadelphia, Pennsylvania, United States and employing 21-50 people.
Its primary NAICS classification is 238210 (Electrical Contractors and Other Wiring Installation Contractors). Heiser, Mark S is one of 2,658,130 companies listed in Pennsylvania.
Business Contact Information
- Phone
- +1 (215) 5902208
- Address
- 324 S 34th St, Philadelphia, Pennsylvania, 19104, United States
Industry & Classification
NAICS Codes
- 23Construction
- 2382Building Equipment Contractors
- 238210Electrical Contractors and Other Wiring Installation Contractors
SIC Codes
- 17Construction Special Trade Contractors
- 171Plumbing, Heating And Air-conditioning
- 1711Plumbing, Heating, and Air Conditioning Contractors
Company Details
- Employees
- 21 (21-50)
- Annual Revenue
- $433,000 ($0M-$1M)
Heiser, Mark S: frequently asked questions
What does Heiser, Mark S do?
Heiser, Mark S is listed as a company reporting $0M-$1M in annual revenue, classified under Electrical Contractors and Other Wiring Installation Contractors, based in Philadelphia, Pennsylvania, United States and employing 21-50 people.
Where is Heiser, Mark S located?
Heiser, Mark S is headquartered at 324 S 34th St, Philadelphia, Pennsylvania, 19104, United States.
How many employees does Heiser, Mark S have?
Heiser, Mark S has about 21 employees (the 21-50 range).
What is Heiser, Mark S's annual revenue?
Heiser, Mark S's annual revenue is estimated at $433,000 (the $0M-$1M range).
What industry is Heiser, Mark S in?
Heiser, Mark S's primary NAICS code is 238210 (Electrical Contractors and Other Wiring Installation Contractors).
How can I contact Heiser, Mark S?
Its phone number is +1 (215) 5902208.
Largest companies in Pennsylvania
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Manufacturing sales in Pennsylvania, 2026
In Pennsylvania, Factur's 2026 study counted 44 manufacturing quotes worth $1.6M and 10 purchase orders over 12 months: 23% of quotes became orders, against 21% nationally. See the Pennsylvania data.
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