

Diverse employees at Terracon have rated Perks And Benefits, Manager, and Environment as the highest categories they have scored
Women at Terracon have rated Perks And Benefits, Executive Team, and Team as the highest categories they have scored
Terracon employees are 7% more likely to recommend Terracon as a great place to work
| 42% | Promoters |
|---|---|
| 23% | Passives |
| 35% | Detractors |
Working at Terracon is rated highly by 214 employees, across various culture dimensions. Terracon employees are most satisfied about CEO Rating, Perks And Benefits, and Executive Team categories, putting Terracon’s culture in the Top 25% compared to similar sized companies on Comparably and in the Top 30% compared to other companies in Lawrence, KS. See below in detail how working at Terracon was rated by employees.
Overall Company Culture at Terracon is rated B
Last updated 17 days ago
Terracon ranks in the Top 25% of other companies on Comparably with 1,001-5,000 Employees for Overall Company Culture Score
Out of 157 Terracon employee reviews, 81% were positive. The remaining 19% were constructive reviews with the goal of helping Terracon improve their work culture.
| Positive Reviews | 81% |
|---|---|
| Constructive Feedback | 19% |
What is the best part about your compensation package?The compensation package is about average for this industry.
What did you like most about the interview process?Robust discussion about strategic plan.
What makes you most happy at work?Opportunity to bring innovation and vision with management support.
What do your coworkers need to improve and how could you work together better?Humility, kindness, and willingness to teach.
What do your coworkers need to improve and how could you work together better?People spread rumors that I said terrible things about management and coworkers. Questioned everything I did, when I had 10 years experience in that role with a former employer, and they didn't know now or previously have my role.
What needs to change to make the company culture better?Communication! They are also so regimented that it doesn't allow for innovation.
Terracon is a 100 percent employee-owned consulting engineering firm specializing in environmental, facilities, geotechnical, and materials services.
Terracon was founded in 1965 and its current CEO is Gayle Packer. Since its inception 61 years ago, Terracon has grown to 4800 employees.
What separates us from our competition are the core values that we work by, our people and the unique niche that we fill with the industry. Our mission is to “Deliver Success for Employees, Clients, and Communities.” We hold true to specific values that keep us focused on our mission. Those values are: Client Service Employee Well-Being and Development Ethics and Integrity Quality Safety Financial Performance Growth Employee Ownership
Our vision for employees includes: Challenging and gratifying project work Continuous development through training, mentoring, and performance feedback Individual recognition and awards for achievement, including compensation and promotion A supportive, attractive, flexible, and safe work environment A strong sense of ownership in the firm
| Headquarter | 10841 S. Ridgeview Road Olathe, KS 66061 United States of America |
|---|---|
| Website | terracon.com/ |
| Founding Date | 1965 |
| Tel | 9132987334 |
| Company Status | Private |
| Jobs | careers.terracon.com/ |
Terracon competitors include Kleinfelder, Golder Associates, and TRC Companies. Terracon ranks 2nd in Overall Culture Score on Comparably vs its competitors. See below how Terracon compares to its competitors with CEO Rankings, Product & Services, NPS, Pricing, Customer Services, Overall Culture Score, eNPS, Gender and Diversity Scores.

Terracon has 4800 employees. 214 employees at Terracon have reviewed Terracon across various culture dimensions, providing their opinions on items ranging from executive ratings to the pace at work. The latest review was 17 days ago.
Overall, the 214 Terracon employees give their leadership a grade of B, or Top 25% of similar size companies on Comparably. This includes specific ratings of their executive team, CEO, and manager.
Employees at Terracon are generally satisfied with their total compensation at Terracon, which includes a combination of pay, stock and equity, and benefits.
Overall, employees at Terracon are pleased with their team. 214 Participants grade the quality of their coworkers a B. The majority believe the meetings at Terracon are effective, and the majority look forward to interacting with their coworkers.
The majority of employees at Terracon believe the environment at Terracon is positive. Most Participants believe the pace of work at Terracon is comfortably fast. About 51% of the employees at Terracon work 8 hours or less, while 3% of them have an extremely long day - longer than twelve hours.
Overall, the employees at Terracon are generally happy, based on their aggregated ratings of future outlook, customer perception, and their excitement going to work.


The prevailing opinion from employees about joining Terracon is that the company was prepared on their first day. Terracon employees concluded that their overall onboarding experience was positive. 100% said their direct manager was helpful with their acclimation during the first 90 days. First impressions are important, and how prepared a company is on your first day leaves a lasting impression.
At Terracon 100% of employees think their department KPIs and OKRs are clear. Employees’ understanding of Terracon's KPIs and OKRs is essential for its success. Out of 4 Terracon employees who’ve answered, “Are your company’s goals clear and are you invested in them?” 3 have said yes.
Gayle’s approval rate is in the Top 20% of all CEOs of similar-sized companies on Comparably, and in the Top 25% compared to the CEOs of all other companies in Lawrence, KS. Terracon’s CEO is highly regarded especially by employees with 1 to 3 Years experience, Female employees, and Caucasian employees. However, employees identified with Other ethnicities, Male employees, and employees with 6 to 10 Years experience have a less favorable view of the CEO and believe there is room for improvement. Compared to Terracon’s competitors, Gayle Packer ranks right above TRC Companies CEO Christopher Vincze. Under Packer’s leadership, Terracon employee respondents are most happy about their Perks And Benefits and the company’s Executive Team. Diversity and Happiness are two areas, according to respondents, where Terracon could stand to see real improvement.
The Terracon Executive Team is rated a “B” and led by CEO Gayle Packer, Senior Vice President of Marketing and Communications, Senior Principal Vanessa Zambo, and SVP Engineering Leila Jammal
Gayle Packer CEO / President
Gayle Packer serves as the CEO / President of Terracon.
Vanessa Zambo Senior Vice President of Marketing and Communications, Senior Principal
Vanessa Zambo serves as the Senior Vice President of Marketing and Communications, Senior Principal of Terracon.
Leila Jammal SVP Engineering
Leila Jammal serves as the SVP Engineering of Terracon.
Doug Jobe Senior Vice President/Division Manager
Doug Jobe serves as the Senior Vice President/Division Manager of Terracon.
Tim Anderson Executive Vice President / Western Operating Group Manager
Tim Anderson serves as the Executive Vice President / Western Operating Group Manager of Terracon. Tim started at... read more
Linda Yang Senior Principal, Vice President, Regional Manager
Linda Yang serves as the Senior Principal, Vice President, Regional Manager of Terracon. Linda started at Terracon in... read more
Matt Catlin Senior Vice President/ Senior Principal
Matt Catlin serves as the Senior Vice President/ Senior Principal of Terracon. Matt started at Terracon in May of 1997.... read more
Alain Gallet Senior Principal, Senior Vice President, Senior National Account Manager
Alain Gallet serves as the Senior Principal, Senior Vice President, Senior National Account Manager of Terracon. Alain... read more
How much do people at Terracon get paid? See the latest salaries by department and job title. The average estimated annual salary, including base and bonus, at Terracon is $120,180, or $57 per hour, while the estimated median salary is $120,921, or $58 per hour.
At Terracon, the highest paid job is a Director of Sales at $207,872 annually and the lowest is a CS Rep at $48,150 annually. Average Terracon salaries by department include: Engineering at $133,872, Product at $152,211, Legal at $161,453, and Business Development at $114,921. Half of Terracon salaries are above $120,921.
83 employees at Terracon rank their Compensation in the Top 40% of similar sized companies in the US (based on 262 ratings) while 82 employees at Terracon rank their Perks And Benefits in the Top 20% of similar sized companies in the US (based on 86 ratings).
Salaries contributed from Terracon employees include job titles like Data Scientist. Comparably data has a total of 0 salary records from Terracon employees.
Last updated 2 months ago.
| Summary | Salary Range | Percentile |
|---|---|---|
1st Percentile $67k | $67k | 1st Percentile |
17th Percentile $95k | $95k | 17th Percentile |
33rd Percentile $115k | $115k | 33rd Percentile |
50th Percentile $175k | $175k | 50th Percentile |
67th Percentile $226k | $226k | 67th Percentile |
83rd Percentile $242k | $242k | 83rd Percentile |
100th Percentile $285k | $285k | 100th Percentile |
* Estimated salaries Estimated salaries are based on data provided anonymously by employees and/or estimated by other statistical methods.
Diverse employees at Terracon score the company 59/100 across various culture categories, placing Terracon in the Bottom 25% of companies on Comparably with 1,001-5,000 Employees for Comparably's diversity score. The Diversity score provides insights into how diverse employees feel and rate their work experience at Terracon across various culture dimensions.
Terracon's PTO and Vacation policy typically gives 20-30 days off a year. Terracon's benefits and PTO Package averages to represent a less than $500 cash value per month.

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In 2019, Terracon applied for 43 H1B visas. Of the work permits applied for, 88% were approved, 7% certified-withdrawn, and 5% withdrawn.
An in-depth look at ‘Certified-withdrawn’ H1B applications at Terracon unveil that 2 approved work permit applications were withdrawn before the employee’s start date, and 3 were withdrawn by Terracon after the employee’s start date.
Terracon has a total of 4800 employees
H1B Applications Outcome
This data was calculated using publicly sourced data from OFLC Performance Data

Candidates By Department
All Industries | 67% | |
|---|---|---|
Admin | 17% | |
Engineering | 17% |
Candidates By Location
Olathe | 17% | |
|---|---|---|
Houston | 17% | |
San Antonio | 17% | |
Albuquerque | 17% | |
Cibolo | 17% | |
Other | 17% |
What is Terracon address?
Terracon location is at 10841 S. Ridgeview Road
Who is the CEO of Terracon?
Terracon CEO is Gayle Packer, their score by employees is 75
What is Terracon eNPS?
The eNPS for Terracon is 7
What is Terracon revenue?
Terracon revenue is $752M
What is the salary for Senior Accountant in Terracon?
Senior Accountant average salary in the US is 88k