What Sylvester & Cockrum does

Sylvester & Cockrum, LLC. is a privately held, full-service commercial mechanical contractor headquartered in Winston-Salem, North Carolina, founded in 1985 and operating across North Carolina, South Carolina, Virginia, and Tennessee. The company delivers an integrated portfolio of HVAC, plumbing, electrical, mechanical construction, and medical gas services to commercial, industrial, healthcare, education, hospitality, retail, manufacturing, construction, and government/Department of Defense clients. Differentiated service lines include ASSE 6000 / NFPA 99-compliant medical gas installation and certification for healthcare facilities, SCIF (Sensitive Compartmented Information Facility) construction on U.S. military bases worldwide, in-house custom ductwork fabrication using advanced coil lines and plasma tables, and refrigerant transition services (R22 to modern A2L systems) including LED retrofitting for energy efficiency. Five owned branch offices (Charlotte, Raleigh, Elizabethton TN, Spartanburg SC) plus acquired entities support a regional field-sales go-to-market with quote-based pricing and no public standard rate cards.

The business model is a hybrid of project-based commercial contracting (one-time installation and large multi-million dollar mechanical construction) and recurring HVAC maintenance plans priced on subscription terms. Revenue is generated through direct field sales, website quote requests, and word-of-mouth referrals from existing commercial accounts. The company does not disclose pricing publicly and operates with no resellers, distributors, or channel partners. Commercial/Industrial HVAC, Commercial Electrical, Commercial Plumbing, Mechanical/Plumbing Construction, and Medical Gas Services are the five core product lines; HVAC Maintenance Plans and LED Lighting Solutions are add-on offerings.

Sylvester & Cockrum is owned through a partnership with NexCore, a commercial energy solutions platform backed by Dallas-based private equity firm Trinity Hunt Partners. The partnership, announced alongside the December 2024 acquisition of Lowry Mechanical (Laurens, SC), provides the strategic and capital backing for an active southeastern roll-up strategy. A second tuck-in acquisition, Mechanical Systems Technology (Myrtle Beach, SC), was announced in March 2026, extending the company's coastal South Carolina footprint. The combined entity operates approximately 51-100 employees across its branches.

Name

Sylvester & Cockrum

Legal name

Sylvester & Cockrum, LLC.

Website

https://sylcoc.com

Company type

Private

Founded year

1985

Operating status

Operating

Headcount range

51–100 employees

Short description

Sylvester & Cockrum is a private, full-service commercial mechanical contractor founded in 1985 that delivers HVAC, plumbing, electrical, mechanical construction, and medical gas services to commercial, industrial, healthcare, education, hospitality, and government/DoD clients across North Carolina, South Carolina, Virginia, and Tennessee as a NexCore/Trinity Hunt Partners partner company.

Ownership category

akta.pro rank

Headquarters

HQ city

Winston Salem

HQ country

United States

HQ region

North America

Offices5 records

Markets served

GTM type

B2B

Offering type

Services

Cost components

Personnel, Supply Chain, Operations, Marketing or Sales, Infrastructure

Revenue model

1. Commercial HVAC Services: Installation, repair, and maintenance of commercial and industrial HVAC systems for businesses across NC, SC, VA, and TN. Revenue is generated through project-based service contracts and ongoing maintenance agreements.
2. Commercial Plumbing Services: Full-service commercial plumbing including installations, repairs, water heaters, piping systems, backflow prevention, grease traps, and boiler services for commercial properties. 24-hour emergency service available.
3. Commercial Electrical Services: Electrical services including LED installation, lighting maintenance, infrared inspections, power distribution, computer cabling, underground electrical distribution, and industrial machine installations.
4. Mechanical Construction & Large-Scale Projects: Large-scale multi-million-dollar mechanical construction projects including industrial facilities, hospital mechanical construction, Department of Defense projects, HVAC and plumbing installation for new developments, and custom ductwork fabrication.
5. Medical Gas Services: Medical gas system installation, maintenance, inspection, and repair for healthcare, dental, veterinary, and laboratory facilities. Includes compliance certification and NFPA 99 documentation services.
6. HVAC Maintenance Plans: Custom commercial HVAC maintenance plans covering chillers, boilers, cooling towers, VRF, and central air multizone systems. Includes routine inspections, performance tracking, preventative maintenance, and priority service.

Go-to-market motion1 record

Distribution channels2 records

Marketing channels4 records

Core offering

Sylvester & Cockrum is a full-service mechanical contracting firm that designs, installs, and services commercial HVAC, plumbing, electrical, medical gas piping, and mechanical construction systems for commercial, industrial, healthcare, education, hospitality, retail, and government/DoD customers across the Carolinas and adjacent Southeastern states.

Product overview

Sylvester & Cockrum is a full-service mechanical contractor offering integrated commercial energy solutions. The core portfolio consists of five interconnected service lines: Commercial/Industrial HVAC Services (installation, repair, maintenance), Commercial Electrical Services, Commercial Plumbing Services, Mechanical/Plumbing Construction (large-scale projects), and Medical Gas Services. Additional offerings include HVAC Maintenance Plans and LED Lighting Solutions as add-on services. The company serves healthcare, education, hospitality, industrial, government, and commercial sectors across North Carolina, South Carolina, Virginia, and Tennessee. Recent acquisitions of Lowry Mechanical (2024) and Mechanical Systems Technology (2026) have expanded their southeastern U.S. footprint.

Differentiator

Problem solved

Functional benefit

Products and services

• Commercial HVAC Services Design, installation, retrofit, service, and maintenance of commercial heating, ventilation, and air conditioning systems for office, industrial, healthcare, education, hospitality, retail, and government buildings.
• Commercial Plumbing Services Installation, repair, and service of commercial plumbing systems for new construction, renovation, and ongoing maintenance projects.
• Commercial Electrical Services Commercial electrical installation, service, and support delivered as part of the firm's multi-trade mechanical contracting capability.
• Medical Gas Services Code-compliant medical gas piping installation, certification, testing, and service for hospitals, surgery centers, and other healthcare facilities.
• Mechanical/Plumbing Construction Mechanical and plumbing construction services for new building, renovation, and retrofit projects in commercial and institutional facilities.
• HVAC Service and Maintenance Plans Recurring preventive maintenance, service, and repair agreements covering commercial HVAC and mechanical systems.
• LED Lighting Solutions Commercial LED lighting products and installation/upgrades as part of the firm's electrical and energy-efficiency scope.

Quantifiable outcome

• Energy cost reduction through LED retrofitting and high-efficiency HVAC upgrades
• +3 more outcomes

Segments9 records

Ideal customer profiles2 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature4 records

Partnerships

One partnership is on record.

• NexCorecoreStrategic or Co-development Partner · 11 December 2024Sylvester & Cockrum is a partner company of NexCore, a private equity-backed platform in the commercial energy solutions space. The partnership, announced in 2024 alongside the Lowry Mechanical acquisition, aligns with NexCore's values-driven growth strategy for expanding mechanical services in the Southeast. NexCore provides strategic backing and acquisition support to S&C, enabling tuck-in acquisitions and geographic expansion.

Scale indicators5 records

Recent moves5 records

Expansion highlights6 records

Broad incumbents

• EMCOR Group: Largest publicly traded U.S. mechanical and electrical construction services firm with a national footprint. Directly comparable service lines (HVAC, plumbing, electrical) and end markets, but operates at vastly greater scale and as a broad incumbent rather than regional specialist.
• Comfort Systems USA: Public national mechanical contractor focused on commercial/industrial HVAC, plumbing, and building automation. Closest large-cap public comparable to S&C's core HVAC and mechanical construction business, with a multi-regional operating model.
• API Group: Public specialty services platform with life safety, security, and specialty mechanical businesses. Comparable through its focus on regulated, mission-critical facility services (healthcare, government, industrial), paralleling S&C's medical gas and DoD positioning.

Direct peers

• Limbach Holdings: Public mechanical services firm specializing in HVAC, plumbing, and building controls with a stated owner-centric growth strategy. Direct peer in scope (commercial/industrial mechanical) and in pursuing a strategy of growing through specialized, higher-margin service work.
• IES Holdings: Public electrical and mechanical services contractor serving commercial, industrial, and residential markets. Comparable end markets and service mix (electrical, HVAC, plumbing), though IES has a national footprint and broader residential exposure.
• Southland Industries: Large private mechanical contractor providing design, fabrication, installation, and service across HVAC, plumbing, and process piping. Direct peer in full-service commercial/industrial mechanical contracting with in-house fabrication — analogous to S&C's coil line/plasma table capabilities.
• Lee Company: Private multi-trade mechanical services firm headquartered in the Southeast (Tennessee) offering HVAC, plumbing, electrical, and building services. Geographic and service-line overlap with S&C; both target commercial/industrial customers in Tennessee and adjacent states.

Regional players

• Bowman Mechanical Services: Regional mechanical services contractor in the Carolinas providing HVAC, plumbing, and controls to commercial clients. Direct local competitor in the Carolinas market, competing for the same Southeast commercial customer base.
• Riddle Mechanical: Regional mechanical contractor serving commercial, industrial, and healthcare clients in the Carolinas with HVAC, plumbing, and specialty services. Direct regional competitor for healthcare mechanical work in S&C's core Southeast footprint.
• A&E Service Group: Multi-trade commercial services firm operating in the Southeast with HVAC, electrical, plumbing, and controls offerings. Comparable regional commercial/industrial service mix and end-market focus, competing in adjacent Southeast geographies.

Market position

Strengths4 records

Weaknesses4 records

Competitive moat5 records

Key risks6 records

Key highlights6 records

Customer concentration

Compliance2 records

Revenue estimate

Valuation estimate

Number of profiles

Subsidiaries2 records

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A1 record

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about Sylvester & Cockrum