COMPANY NAME	REVENUES 12 Months Ending Q1 2026	MARKET SHARE 12 Months Q1 2026	MARKET SHARE MRQ Q1 2026	MARKET SHARE A Quarter Before Q4 2025
Onterris Inc	0.00	0.00%	1.69 %	2.00 %
Aecom	15,985.04	42.21%	38.22%	39.71%
Jacobs Solutions Inc	13,173.47	34.79%	41.00%	38.30%
Tetra Tech inc	5,826.15	15.39%	10.55%	10.74%
Icf International Inc	1,822.73	4.81%	4.40%	4.60%
Hecla Mining Company	1,060.70	2.80%	4.14%	4.65%

ONT's Market share relative to its competitors, as of Q1 2026 within the Industry

As of Q1 2026

COMPANY NAME	MARKET SHARE 12 Months Ending Q1 2026	MARKET SHARE 12 Months Ending Q4 2025	MARKET SHARE MRQ Q1 2026	MARKET SHARE Q4 2025
Onterris Inc	0.00%	0.00%	27.81 %	30.34 %
Icf International Inc	100.00%	100.00%	72.19%	69.66%

ONT's Market share relative to its competitors, as of Q1 2026 within the Sector

As of Q1 2026

COMPANY NAME	MARKET SHARE 12 Months Ending Q1 2026	MARKET SHARE 12 Months Ending Q4 2025	MARKET SHARE MRQ Q1 2026	MARKET SHARE Q4 2025
Onterris Inc	0.00%	0.00%	27.81 %	30.34 %
Icf International Inc	100.00%	100.00%	72.19%	69.66%

Note: Market share is calculated based on total revenue. To get a more accurate picture of Onterris Inc's market divisions, geographic dispersion, segments, products, and services, visit Onterris Inc's Business Segment.

The list includes publicly traded companies only. More information about the sources of this report can be found here.

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