Rel Group

Essex, United States Founded: 1974 • Age: 52 yrs Acquired By Hermetic Solutions Group
Custom metal components are manufactured for high-reliability electronics.

About Rel Group

Rel Group is a company based in Essex (United States) founded in 1974, and was acquired by Hermetic Solutions Group in December 2016. Custom metal components are manufactured for high-reliability electronics. Rel Group offers products and services including Hermetic Package Lids and Thermal Management Solutions. Its legal entity is Hi-Rel Group, Inc.

Company details

Hi-Rel Group was founded in 1974 and is located in Essex, United States. Custom metal components are produced for high-reliability electronic devices in the microelectronics sector. Operations focus on hermetic package lids, thermal management solutions, gas adsorbers for vacuum environments, solder and braze preforms, and precision carrier components. Sofield Manufacturing, a specialist in microelectronic packaging, was acquired in January 2016 to expand capabilities.

Key Metrics

Products & Services of Rel Group

Rel Group offers a comprehensive portfolio of products and services, including Hermetic Package Lids and Thermal Management Solutions.

Hermetic Package Lids
Electronic Components

These lids are fabricated for protecting high-reliability electronic devices in harsh environments.

Thermal Management Solutions
Thermal Products

Solutions for managing heat in electronic systems are provided to enhance device performance and longevity.

Funding Insights of Rel Group

  • Total Rounds 2
  • Investors Count 2

All 2 funding rounds of Rel Group with amounts and investors; the two latest post-money valuations are shown, the rest are part of the premium plan.

DateAmountTransaction NameValuationLead InvestorsInvestors
Jun 2016Debt – Conventional––
Apr 2013Private Equity Round––
Valuation history

4 investors in total: 4 institutional.

Investors in Rel Group

Rel Group has secured backing from 4 investors, including venture fund investors. Prominent investors backing the company include Main Street Capital, Hermetic Solutions Group and NMP Capital.

All
Venture Fund
InvestorDescriptionFounded YearDomainLocation
Investment solutions are provided by NMP Capital to financial sponsors.
nmp.comMinneapolis, United States
Diversified alternative assets are managed via investment strategies.
1997mainstcapital.comHouston, United States
Equity investments are provided to lower middle-market companies.
1994mainstcap.com
Packaging components and services are supplied to industrial clients.
2016hermeticsolutions.comFeasterville Trevose, United States
Premium access

Investor details for Rel Group

The complete investor list, round-by-round participation and investor portfolios require an active premium plan.

  • Complete investor list
  • Round participation
  • Investor portfolios
  • Co-investor network

Verified entity values are shown only after access is granted.

Timeline of Rel Group

5 dated milestones of Rel Group across 42 years, from founding to its latest funding, stage changes and deals.

  1. Founded Rel Group is founded.
  2. Funding First funding round.
  3. Exit Acquired by Main Street Capital Holdings.
  4. Funding Latest funding round, Debt – Conventional,.
  5. Exit Acquired by Hermetic Solutions Group.
Upgrade to premium

Unlock complete access to The Company Check

Get unrestricted viewing across everything we track β€” from companies and brands to investors, funding rounds, acquisitions, financials, and more.

Upgrade to Premium No viewing limits. Your plan controls exports and screening usage.
Included in your Premium account
  • βœ“
    Unlimited viewing on all profiles Companies, investors, financials, funding, acquisitions & directors
  • βœ“
    Full access to every database India & global coverage, advanced filters and rich profile details
  • βœ“
    Always-on access from your team account Single premium plan for everything you see on the portal

Frequently Asked Questions about Rel Group

Rel Group was founded in 1974 and raised its 1st funding round 39 years after it was founded.

Rel Group is headquartered in Essex, United States.

Hi-Rel Group was founded in 1974 and is located in Essex, United States. Custom metal components are produced for high-reliability electronic devices in the microelectronics sector. Operations focus on hermetic package lids, thermal management solutions, gas adsorbers for vacuum environments, solder and braze preforms, and precision carrier components. Sofield Manufacturing, a specialist in microelectronic packaging, was acquired in January 2016 to expand capabilities.

Rel Group offers Hermetic Package Lids and Thermal Management Solutions.

Rel Group has 4 investors. Key investors include Main Street Capital, Hermetic Solutions Group, NMP Capital, and Main Street Capital.

Rel Group operates through Hi-Rel Group, Inc.

Yes. Rel Group was acquired by Hermetic Solutions Group in December 2016.

Explore millions of companies β€” effortlessly

Access structured, verified intelligence on 7M+ companies across industries, sectors, and global markets. From early-stage startups to large enterprises, discover ownership, leadership, funding, financials, acquisitions, and market signals β€” all in one powerful platform.

Free account with essential features Instant access to company reports Enterprise solutions available