Armistead Mechanical
Armistead Mechanical is a fourth-generation, New Jersey-based mechanical contractor providing process piping, prefabrication, HVAC, plumbing, and high-purity orbital welding to enterprise pharma, healthcare, industrial, and utility clients across the Northeast on projects from $100K to $30M, now part of PremiStar's 18-state platform.
- Company typePrivate
- Founded1917
- HeadquartersWaldwick, United States
- Headcount101–250
- GTM typeB2B
- OfferingServices
What Armistead Mechanical does
Armistead Mechanical, founded in 1917 in Jersey City, NJ, is a fourth-generation, family-owned mechanical construction and contracting firm headquartered in Waldwick, NJ. The company delivers industrial and process piping, prefabrication, HVAC, plumbing, high-purity orbital welding, medical gas piping, design/build assist, and Virtual Design and Construction (VDC) services to enterprise clients in pharmaceutical/biopharmaceutical, healthcare, food and beverage, manufacturing, industrial/power, water and wastewater, and commercial/educational markets across New Jersey, the New York Hudson Valley, Southern Connecticut, and Eastern Pennsylvania. Project sizes range from $100,000 to $30,000,000, with a client mix of approximately 80% private sector and 20% public sector.
Core technical capabilities are anchored in 40,000+ square feet of fabrication shop space across New Jersey and New York, cGMP-approved clean room facilities in both states, BIM/3D coordination using Autodesk Fabrication, Revit, SysQue, and Navisworks, Trimble Total Station and 3D laser scanning for field layout, and Arc Machines computerized orbital welding qualified to ASME Section IX with in-house Level II NDT inspection. These capabilities are bundled into recurring offerings including Design/Build Assist, Preconstruction (CPM scheduling via Primavera and MS Project), Prefabrication Services that ship nationwide, and QA/QC with validated turnover packages for pharmaceutical clients.
Armistead generates revenue primarily through project-based fixed-price and competitive-bid contracts ranging from $100,000 to $30 million, supplemented by an HVAC service, retrofit, and maintenance affiliate (Armistead Mechanical Services, incorporated 1989, MSCA GreenSTAR-certified, ENERGY STAR partner) and an adjacent plumbing subsidiary (Acorn Plumbing and Heating). In April 2026 the company was acquired by PremiStar, becoming part of a 61-branch, 18-state, 3,000+ employee commercial HVAC, building automation, and plumbing platform, with Kevin Armistead retained as President and CEO.
Armistead Mechanical firmographics
Firmographics- Name
- Armistead Mechanical
- Legal name
- Armistead Mechanical
- Website
- https://armisteadmechanical.com
- Company type
- Private
- Founded year
- 1917
- Operating status
- Operating
- Headcount range
- 101–250 employees
- Short description
- Armistead Mechanical is a fourth-generation, New Jersey-based mechanical contractor providing process piping, prefabrication, HVAC, plumbing, and high-purity orbital welding to enterprise pharma, healthcare, industrial, and utility clients across the Northeast on projects from $100K to $30M, now part of PremiStar's 18-state platform.
- Ownership category
- akta.pro rank
Armistead Mechanical industry classification
Industry- Product category
- Mechanical Contracting Services
- NAICS
- Engineering Services (541330), Other General Purpose Machinery Manufacturing (3339), All Other Industrial Machinery Manufacturing (333248)
- SIC
- Special Industry Machinery, Nec (3559), General Industrial Machinery & Equipment (3560), Screw Machine Products (3451)
- akta.pro primary industry
- Industrial/Process Piping & Mechanical Contracting (IMAFALAG)
- akta.pro secondary industry
- HVAC & Refrigeration Contracting (IMAFALAB)
Keywords
Where Armistead Mechanical is headquartered
LocationHeadquarters
- HQ city
- Waldwick
- HQ country
- United States
- HQ region
- North America
Offices4 records
Markets served
Armistead Mechanical business model
Business model- GTM type
- B2B
- Offering type
- Services
- Cost components
- Personnel, Operations, Infrastructure, Technology or R&D, Marketing or Sales, Supply Chain
Revenue model
- Mechanical Construction Services: Project-based revenue from mechanical construction, plumbing, HVAC, process piping, and industrial piping installation. Project sizes range from $100,000 to $30,000,000. Mix is approximately 80% private sector and 20% public sector
Pricing tiers
| Model | Billing | Price |
|---|---|---|
| Other | Multi-year contract | Project-based pricing ranging from $100,000 to $30,000,000 |
Go-to-market motion1 record
Distribution channels1 record
Marketing channels4 records
Armistead Mechanical product offering
Product offeringCore offering
Armistead Mechanical is a full-service mechanical contractor providing industrial and commercial mechanical construction services, including industrial and process piping, prefabrication, plumbing, HVAC installation, high purity orbital welding, clean room piping, and QA/QC. Projects range from $100,000 to $30 million and are supported by in-house VDC/BIM 3D coordination, design/build assist engineering, and an affiliate service company (Armistead Mechanical Services) for HVAC/R service and maintenance.
Product overview
Armistead Mechanical is a full-service mechanical contractor offering a comprehensive portfolio of construction and engineering services centered around mechanical systems for commercial, industrial, and institutional clients. The core offering is mechanical construction services encompassing process piping, prefabrication, plumbing, HVAC installation, high purity orbital welding, clean room piping, and QA/QC. These are supported by specialized capabilities including Virtual Design & Construction (VDC)/3D Coordination using Autodesk and Trimble technologies, Design/Build Assist for expedited project delivery, Prefabrication Services for scheduling and cost advantages, and Laser Scanning & Robotic Layout for precise field execution. An affiliate company, Armistead Mechanical Services, provides complementary HVAC/R commercial service and maintenance. The company serves diverse sectors including pharmaceutical/biopharmaceutical, healthcare, food & beverage, industrial, power, water & wastewater, manufacturing, and commercial/educational/institutional markets throughout New Jersey, New York Hudson Valley, Southern Connecticut, and Eastern Pennsylvania. Project sizes range from $100,000 to $30 million.
Differentiator
Problem solved
Functional benefit
Products and services
- Mechanical Construction Services Full-service mechanical construction for industrial and commercial projects, including process piping, plumbing, HVAC, high purity orbital welding, clean room piping, and QA/QC. Project sizes range from $100,000 to $30,000,000.
- Design/Build Assist Engineering design and project management service that provides expedited project turnaround through cost estimates, performance parameters, and optional operating cost analysis for mechanical construction projects.
- Preconstruction Planning Pre-planning and estimating services including critical path method (CPM) scheduling using Primavera and MS Project, procurement management, and comprehensive cost analysis for mechanical construction projects.
- Virtual Design & Construction (VDC) and 3D Coordination BIM and 3D modeling service for mechanical systems design, manufacturing planning, and testing, utilizing Autodesk Fabrication, SysQue, Revit, Navisworks, and Trimble Total Station laser scanning for layout and clash detection.
- Prefabrication Services Pipe and module prefabrication providing scheduling advantages and cost savings, with modular fabrication facilities, 3D design assist coordination, and UA fabrication capabilities that can produce and ship product anywhere in the US and Canada.
- High Purity Orbital Welding Computerized orbital welding using Arc Machines equipment to provide cGMP-approved sanitary piping systems for food processing, pharmaceutical, and semiconductor industries. Clean room facilities at both NJ and NY locations, with all welding meeting ASME codes and ANSI standards.
- Laser Scanning and Robotic Layout 3D laser scanning and Trimble Total Station technology for data collection in existing facilities and precise layout information, enabling faster completion with more accurate fabrication and trade coordination in congested existing areas.
- HVAC Services Heating, ventilating, and air conditioning installation for commercial, industrial, and institutional buildings, including design, installation, and integration with building automation systems.
- Plumbing Services Commercial and industrial plumbing installation including process plumbing, medical gas piping, and specialty fabrication performed by Licensed Master Plumbers.
- Process Piping Industrial and process piping installation for pharmaceutical, healthcare, food/beverage, petroleum refining, water/wastewater, power, and chemical industries, installing carbon steel, stainless steel, nickel, chrome moly, PVDF, PVC/CPVC, FRP, and other piping materials.
- Armistead Mechanical Services (HVAC/R Service, Retrofit, and Maintenance) Affiliate service company providing HVAC/R commercial service, retrofit, repair, and maintenance for commercial and industrial clients in New Jersey and New York Hudson Valley. MSCA GreenSTAR Certified, STAR Qualified by MSCA, and ENERGY STAR partner with LEED APs on staff.
- Medical Gas Piping Specialized medical gas piping installation for hospital construction, supplying oxygen, nitrogen, and other gases to operating rooms, patient rooms, and surgical suites, with employees tested and certified per NFPA 99 requirements.
Quantifiable outcome
- Prefabrication provides scheduling advantages and cost savings to customers
- +1 more outcomes
Companies that use Armistead Mechanical
Customer profileNamed customers20 records
Segments6 records
Ideal customer profiles6 records
Armistead Mechanical technology and API
TechnologyTechnology focussed No
API detail
- Has API
- No
- API docs
- API detail
Core technology
AI maturity
App detail
Integration12 records
Feature7 records
Armistead Mechanical partnerships and signals
Strategic signalPartnerships
One partnership is on record.
- PremiStarflagshipArmistead Mechanical joined the PremiStar family of companies in April 2026. PremiStar operates 61 commercial HVAC, building automation, and plumbing branches across 18 states with over 3,000 employees. This partnership extends PremiStar's capabilities to New Jersey and Hudson Valley NY region. Kevin Armistead remains as President and CEO. The partnership enables collaboration with like-minded industry leaders nationwide on training, technology, and best practices.
Scale indicators5 records
Recent moves8 records
Expansion highlights6 records
Armistead Mechanical competitors and assessment
Company assessmentMarket position
Competitive moat5 records
Key risks5 records
Key highlights7 records
Customer concentration
Armistead Mechanical social profiles
Digital presenceArmistead Mechanical compliance and trust
Trust signalCompliance11 records
Armistead Mechanical financial estimates
Financial estimateRevenue estimate
Valuation estimate
Armistead Mechanical leadership team
Management profileNumber of profiles
Profiles9 records
Armistead Mechanical subsidiaries and ownership
Company hierarchySubsidiaries2 records
Armistead Mechanical funding detail
Funding detailFunding overview
Funding rounds
Investors
Funding detail is available on the Subscription and Enterprise plan.Contact sales →
Armistead Mechanical M&A and investment
M&A and investmentM&A
Investments
M&A and investment is available on the Subscription and Enterprise plan.Contact sales →
Frequently asked questions about Armistead Mechanical
What does Armistead Mechanical do?
Armistead Mechanical is a full-service mechanical contractor providing industrial and commercial mechanical construction services, including industrial and process piping, prefabrication, plumbing, HVAC installation, high purity orbital welding, clean room piping, and QA/QC. Projects range from $100,000 to $30 million and are supported by in-house VDC/BIM 3D coordination, design/build assist engineering, and an affiliate service company (Armistead Mechanical Services) for HVAC/R service and maintenance.
Is Armistead Mechanical a public or private company?
Armistead Mechanical is a private company. It is classified as corporate owned and is currently operating.
When was Armistead Mechanical founded?
Armistead Mechanical was founded in 1917. It employs 101 to 250 people.
Where is Armistead Mechanical based?
Armistead Mechanical is headquartered in Waldwick, United States, in the North America region.
How does Armistead Mechanical make money?
One revenue line is on record: mechanical Construction Services.
Does Armistead Mechanical have an API?
No public API is recorded for Armistead Mechanical.
What industry is Armistead Mechanical in?
Armistead Mechanical's product category is Mechanical Contracting Services. Its primary akta.pro industry code is IMAFALAG, Industrial/Process Piping & Mechanical Contracting, with a secondary code of IMAFALAB, HVAC & Refrigeration Contracting. Its NAICS code is 541330 and its SIC code is 3559.