Allegro MicroSystems: Detailed Company Information & Corporate Profile
Summary
Allegro MicroSystems, headquartered in Manchester, NH, was established in 1990 and employs between 1,000 and 5,000 people as a subsidiary within the Greater Boston DMA. With annual revenue in the $500 million to $1 billion range and SIC code 3674, the firm focuses on chip manufacturing.
Its product portfolio centers on power integrated circuits for motors and interface products, regulators and lighting solutions, position and speed sensor ICs, and advanced sensor technology such as current and angle sensor ICs.
Key executives include Vice President of Global Quality Stewart Sellars, Vice President of Worldwide Industrial Sales Owen DeLeon, Senior Vice President of Worldwide Sales Rick Madormo, and others overseeing supply chain, marketing, human resources, legal affairs, automotive sales, general management, power, and talent acquisition. The engineering team features roles such as mixed‑signal design verification engineer Alan Luis Valdivia and analog design intern Renhe Chen.
| Allegro MicroSystems Website | allegromicro.com |
| Social Links |   |
| Phone Number | 1-603-626-2300 |
| Industries | |
| Allegro MicroSystems Headquarters Address | 955 Perimeter Road, Manchester, NH, 03103 US |
| Company Size | 1000-5000 employees |
| Specialities & Services | *Power Integrated Circuits - Motors and Interface Products, *Regulators and Lighting, *Position and Speed Sensor ICs, *Advanced Sensor Technology - Current and Angle Sensor ICs |
| Technologies | Azure Front Door, Azure, FingerprintJS, Microsoft ASP.NET |
| SIC Code | 3674 |
| NAICS Code | 334413 Semiconductor and Related Device Manufacturing |
| DMA Code | Greater Boston |
| Founded | 1990 |
| Estimated Annual Revenue | $500M - 1B |
| Operating Status | Subsidiary |
| Updated: | 2026-09-17 |
Estimated Website Traffic
The chart shows a decline in traffic to the allegromicro.com website. In August, traffic decreased to 76714, compared to 85987 in the previous month. The highest traffic in 2026 was recorded in March, reaching 184377 visits.
Workforce Turnover
Number of employees switched from or switched to
Departmental sample breakdown
Length of Employment
Allegro MicroSystems's workforce includes employees across a wide range of tenure levels.
1% have been with the company for less than 1 year5% have been with the company for 1 to 2 years11% have been with the company for 3 to 4 years8% have been with the company for 5 to 7 years14% have been with the company for 8 to 10 years62% have been with the company for more than 11 years
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Allegro MicroSystems Corporate Information: FAQ
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