| Format | Example | Percentage |
|---|---|---|
| Format:firstName_lastName | jane_doe@sigma-e.com | Percentage:65% |
| Format:firstNamelastNameInitial | janed@sigma-e.com | Percentage:24% |
| Format:firstName-lastNameInitial | jane-d@sigma-e.com | Percentage:6% |
| Format:firstNameInitial_lastNameInitial | j_d@sigma-e.com | Percentage:3% |
| Format:firstNameInitial.lastNameInitial | j.d@sigma-e.com | Percentage:1% |
| Format:lastName.firstNameInitial | doe.j@sigma-e.com | Percentage:1% |
Sigma Group employee email verification for instant deliverability checks.
Sigma Group, founded in 1984, operates from Madison Heights, Michigan, specializing in outreach services for the U.S. market. With an employee base of 10–50, the company generates annual revenues between $10 million and $50 million, positioning it as a mid‑sized player within its niche. Leadership focuses on quality, led by Ann Miller, Quality Manager, and supported by Kelly Wells, Electronics Quality Engineer, ensuring high standards across all projects.
The company's outreach initiatives target communities needing specialized support services. Its commitment to quality is evident in the rigorous processes overseen by its leadership team.
Sigma Group uses 6 email formats across its organization. The most common pattern is firstName_lastName (e.g., jane_doe@sigma-e.com), used in approximately 65% of work addresses.
Sigma Group currently employs over 10-50 people from United States, with a head office in Madison Heights, Michigan, US.
SignalHire complies with the General Data Protection Regulation (GDPR). SignalHire follows GDPR requirements, including but not limited to rights of data subjects to access, correct, or delete their personal information and supports the right to be forgotten.
SignalHire is CCPA-compliant and provides California residents the right to know, access, opt out, and request deletion of their personal data.
