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Jacob & Hefner Associates, Inc. Employee Directory

Civil EngineeringIllinois, United States51-200 Employees

Jacob & Hefner Associates, Inc. is a civil engineering firm that also provides land surveying and environmental services, serving clients across multiple offices in Illinois, Georgia, and California. Established in 1996, the company operates from Downers Grove, Illinois, and has grown to serve a regional market with projects that require integrated civil engineering, surveying, and environmental solutions. Its work is centered on delivering quality, value, and client service to customers likely facing complex site development, infrastructure, and environmental considerations. In recent years, the firm has expanded its footprint, adding personnel and leadership in areas such as surveying and environmental services, and extending its presence into new markets including Seattle. The organization positions itself as a multi-disciplinary firm capable of handling a range of tasks within civil engineering, land surveying, and environmental services, targeting clients who need coordinated, cross-disciplinary expertise on development and infrastructure projects.

Find Jacob & Hefner Associates, Inc. employees' phone numbers or email addresses

Jacob & Hefner Associates, Inc. Global Highlights

Location
Employees

North America
114

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  • United States Of America
    114

Africa
1

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  • Zimbabwe
    1

Jacob & Hefner Associates, Inc.'s Leadership

  • Stylized image of a person
    C. M.
    President/Ceo
  • Stylized image of a person
    D. M.
    Vice President
  • Stylized image of a person
    L. T.
    Remediation Manager
  • Stylized image of a person
    S. L.
    Regional Manager
  • Stylized image of a person
    G. B.
    Regional Manager
  • Stylized image of a person
    A. D.
    Energy Medicine Practitioner
  • Stylized image of a person
    C. S.
    Project Engineer
  • Stylized image of a person
    J. S.
    General Counsel

Jacob & Hefner Associates, Inc. Employee Metrics

100%
50%
0%
2026
2025
  • Administrative
  • Engineering
  • Program & Project Management
  • Accounting
  • Biotechnology
  • Other

Contact profiles from Jacob & Hefner Associates, Inc.

Name
Title
Contact
Location
Last Update
  • Stylized image of a person
    C. M.
    President/Ceo
    May 29, 2025
  • Stylized image of a person
    D. M.
    Vice President
    Oct 18, 2024
  • Stylized image of a person
    L. T.
    Remediation Manager
    Oct 27, 2025
  • Stylized image of a person
    S. L.
    Regional Manager
    Mar 24, 2026
  • Stylized image of a person
    G. B.
    Regional Manager
    Oct 16, 2024
  • Stylized image of a person
    A. D.
    Energy Medicine Practitioner
    Oct 21, 2024
  • Stylized image of a person
    C. S.
    Project Engineer
    Oct 21, 2024
  • Stylized image of a person
    J. S.
    General Counsel
    Oct 16, 2024
  • Stylized image of a person
    L. L.
    Project Administrator Jacob Hefner Associates Inc
    Oct 23, 2024
  • Stylized image of a person
    T. H.
    Project Engineer
    Oct 23, 2024

Frequently Asked Questions

What is Jacob & Hefner Associates, Inc. known for?

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Jacob & Hefner Associates, Inc. was founded in 1996 operates in the Civil Engineering industry; you can contact the main corporate office by phone at . Explore Jacob & Hefner Associates, Inc.'s company overview page for more information.

What is Jacob & Hefner Associates, Inc.'s most common email format?

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Jacob & Hefner Associates, Inc. employees' email format typically follows the pattern of . Trying to find reliable and up-to-date employee contact data? Find more Jacob & Hefner Associates, Inc. email formats with LeadIQ.

How many employees does Jacob & Hefner Associates, Inc. have currently?

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Jacob & Hefner Associates, Inc. has approximately 91 employees as of August 2026. These team members are located across 2 continents, including North AmericaAfrica.

Who are Jacob & Hefner Associates, Inc.'s key employees and leadership?

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As of August 2026, Jacob & Hefner Associates, Inc.'s key employees include:

  • President/Ceo: C. M.
  • Vice President: D. M.
  • Remediation Manager: L. T.
  • Regional Manager: S. L.
  • Regional Manager: G. B.

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