Nelson Air Device Corp. logo

Nelson Air Device Corp.

One of New York’s leading construction management and mechanical contractors. BUILT ON TRUST.

46 employees · est. 1931 · United States

VS
PJ Mechanical. logo

PJ Mechanical.

Industry leader in the construction, installation, service and maintenance of high-efficiency HVAC systems

137 employees · est. 1971 · New York, United States

Nelson Air Device Corp. is the older company (1931 vs 1971); PJ Mechanical. is the larger of the two.

Side-by-Side Comparison

Nelson Air Device Corp. PJ Mechanical.
Founded
1931 older 1971
Headquarters
United States New York, United States
Employees
46 137 larger
Industry
Manufacturing, Construction Manufacturing
Funding Stage
Not tracked yet Private Equity
Total Funding
Not tracked yet Not tracked yet
Funding Rounds
Not tracked yet 1
Services
Not tracked yet Not tracked yet
Target Customers
Not tracked yet Not tracked yet
Taxonomy
Construction Management, Mechanical Contractors, HVAC Systems, Project Management, Sheet Metal, Renovations, New Construction, Value Engineering, Maintenance, Professional Engineers, Local 28 Sheet Metal Shop, Local 638A And 638B Steamfitters, Client Collaborations, Reliability HVAC Systems, Construction Services, Installation Services, Maintenance Services, Data Center Outfitting, Communication Network Systems, Mechanical Engineering, Industrial Engineering, High-efficiency Systems, Service & Maintenance, Office Construction, Specialty HVAC Needs, Preventive Maintenance Programs, Corporate Complexes, Sports Stadiums
Website
nadcw.com pjmechanical.com
Nelson Air Device Corp. logo

About Nelson Air Device Corp.

Nelson Air Device Corp. is a prominent construction management and mechanical contracting company based in New York. Established in 1931, the company has built a strong reputation for reliability, quality, and value in the industry. With a focus on client collaborations, they specialize in design, n...

PJ Mechanical. logo

About PJ Mechanical.

PJ Mechanical is a renowned name in the manufacturing industry, pioneering in the construction, installation, service, and maintenance of high-efficiency HVAC systems. Since its establishment in 1971, the company has been at the forefront of the industry, specializing in meeting specific building an...

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Frequently Asked Questions

Nelson Air Device Corp. — One of New York’s leading construction management and mechanical contractors. BUILT ON TRUST. . PJ Mechanical. — Industry leader in the construction, installation, service and maintenance of high-efficiency HVAC systems. Both companies operate in related markets but may differ in funding stage, team size, and product focus.
Nelson Air Device Corp. and PJ Mechanical. operate in overlapping markets and are frequently compared. Track both companies on Bounce Watch to monitor their growth signals in real time.

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Related Comparisons

Compiled from the BounceWatch company index. We last looked at Nelson Air Device Corp. on 14 Sep 2024, and PJ Mechanical. on 12 Sep 2024. Where a field is blank here, it means we have not recorded it — not that the answer is zero. How we source and date this.

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