EI Microcircuits: Detailed Company Information & Corporate Profile
Summary
Founded in 1984, EI Microcircuits is an independent electronics fabrication company headquartered in Mankato, MN that generates $50M to $100M in annual revenue and employs 200–500 staff.
The firm offers a broad array of advanced electronic assembly services, including quick‑turn prototypes, full box builds, CAD layout, RoHS conversion, end‑of‑life notification, and medical Class I/II/III compliance. It also delivers functional/in‑circuit/flying probe testing, burn‑in, conformal coating, potting and overmolding, lead‑free processing, 01005 placement, and full overmolding solutions. Leadership is headed by President Rob Else with Vice President of Operations Ryan Mathiowetz; the team includes specialists in design engineering, supply chain, quality management, project engineering, sales support, and production.
| EI Microcircuits Website | eimicro.com |
| Social Links |   |
| Phone Number | 5073455786 |
| Industries | |
| EI Microcircuits Headquarters Address | 1651 Pohl Road, Mankato, MN, 56001 US |
| Company Size | 200-500 employees |
| Specialities & Services | Advanced Electronic Assembly, Quick Turn Prototype, Full Box Build, CAD Layout, RoHS Conversion, End of Life Notification, Medical Class I/II/III, Functional/In-Circuit/Flying Probe Test, Burn-In Capabilities, Conformal Coating, Potting & Over Molding, Lead Free, Conformal Coating, Potting, Design/Engineering, 01005 Placement, Overmolding |
| SIC Code | 3600 |
| DMA Code | Twin Cities |
| Founded | 1984 |
| Estimated Annual Revenue | $50M - 100M |
| Operating Status | Independent Company |
| Updated: | 2026-09-11 |
Competitors
Name | Founded | Type | Employees |
|---|---|---|---|
| 1972 | Privately Held | 100 - 250 | |
| 1988 | Nonprofit | 25 - 100 | |
| - | Privately Held | 25 - 100 | |
| 1984 | Privately Held | 25 - 100 |
Estimated Website Traffic
The chart shows a growth in traffic to the eimicro.com website. In August, traffic increased to 6484, compared to 6226 in the previous month. The highest traffic in 2026 was recorded in March, reaching 8528 visits.
Workforce Turnover
Number of employees switched from or switched to
Departmental sample breakdown
Length of Employment
EI Microcircuits's workforce includes employees across a wide range of tenure levels.
4% have been with the company for less than 1 year4% have been with the company for 1 to 2 years8% have been with the company for 3 to 4 years29% have been with the company for 5 to 7 years13% have been with the company for 8 to 10 years42% have been with the company for more than 11 years
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EI Microcircuits Corporate Information: FAQ
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