![John Zwack](data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" fill="%231b1b1b" class="bi bi-person-fill" viewBox="0 0 16 16"><path d="M3 14s-1 0-1-1 1-4 6-4 6 3 6 4-1 1-1 1zm5-6a3 3 0 1 0 0-6 3 3 0 0 0 0 6"/></svg>)
John W.
Zwack worked as a Director of Business Development at Matrix NAC, Vice President of Business Development at Matrix Service Co., Vice President of Business Development and Marketing at CIC Group, Inc., and Vice President of Business Development at Structural Group, Inc. He obtained an undergraduate degree from Northeastern University.
| Companies | Position | End |
|---|---|---|
Structural Group, Inc.
 Structural Group, Inc. Engineering & ConstructionIndustrial Services Provides concrete repair and maintenance services for civil & infrastructure projects | Corporate Officer/Principal | - |
CIC Group, Inc.
 CIC Group, Inc. Insurance Brokers/ServicesFinance Provides commercial insurance consulting services | Corporate Officer/Principal | - |
Matrix NAC
 Matrix NAC Precious MetalsNon-Energy Minerals Matrix NAC specializes in the design, engineering, fabrication, erection, and coating of large-scale carbon steel welded tanks, stainless steel tanks, bolted tanks, and thermal energy storage tanks. The private company is located in the US. The American company provides turnkey solutions including in-house engineering, design, fabrication, erection, coatings, and industrial maintenance. Its services include tank construction, repairs, retrofits, seismic upgrades, inspections, and maintenance programs, adhering to industry standards such as AWWA, API, NFPA, and FM. Matrix NAC serves industrial markets, government agencies, and public utilities nationwide, and also offers site development services such as grading, excavation, concrete work, pipeline installation, asphalt paving, fencing, electrical, and landscaping. The company employs certified professionals and holds multiple industry certifications related to corrosion control and protective coatings. | Corporate Officer/Principal | - |
| MATRIX SERVICE COMPANY | Corporate Officer/Principal | - |
Active
Inactive
Listed companies
Private companies
| Private companies | 5 |
|---|---|
Matrix Service Co.
 Matrix Service Co. Engineering & ConstructionIndustrial Services Provides fabrication, infrastructure, construction, and maintenance services | Industrial Services |
CIC Group, Inc.
CIC Group, Inc. Insurance Brokers/ServicesFinance Provides commercial insurance consulting services | Finance |
Structural Group, Inc.
Structural Group, Inc. Engineering & ConstructionIndustrial Services Provides concrete repair and maintenance services for civil & infrastructure projects | Industrial Services |
Northeastern University
 Northeastern University Other Consumer ServicesConsumer Services Functions as a College/University | Consumer Services |
Matrix NAC
Matrix NAC Precious MetalsNon-Energy Minerals Matrix NAC specializes in the design, engineering, fabrication, erection, and coating of large-scale carbon steel welded tanks, stainless steel tanks, bolted tanks, and thermal energy storage tanks. The private company is located in the US. The American company provides turnkey solutions including in-house engineering, design, fabrication, erection, coatings, and industrial maintenance. Its services include tank construction, repairs, retrofits, seismic upgrades, inspections, and maintenance programs, adhering to industry standards such as AWWA, API, NFPA, and FM. Matrix NAC serves industrial markets, government agencies, and public utilities nationwide, and also offers site development services such as grading, excavation, concrete work, pipeline installation, asphalt paving, fencing, electrical, and landscaping. The company employs certified professionals and holds multiple industry certifications related to corrosion control and protective coatings. | Non-Energy Minerals |
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