Company lists · Data refreshed September 2026
Top 25 Mountaineering expedition companies based in the United States
RevenueBase identified 182 mountaineering expedition companies headquartered in the United States as of September 2026 and tracks 2,127 professional contacts across them, including 727 with verified work emails. Seattle is the largest hub.
This list covers mountaineering expedition companies headquartered in the United States, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Every row shows the company's own description, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 20, 2026.
Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase Smart Search, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.
The 25 largest mountaineering expedition companies based in the United States
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 252 contacts → | ||||
Indirect evidence “In 1991, adventurers Lars Wikander and Mike McDowell had a dream of visiting one of the few places on Earth they hadn’t explored: The North Pole.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 2 | 196 contacts → | ||||
Indirect evidence “As the conservation travel partner of World Wildlife Fund, Natural Habitat Adventures (Nat Hab) is the leader in responsible nature travel.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 3 | 182 contacts → | ||||
Indirect evidence “Founded in 1993 and based in Richmond, California, Mountain Hardwear exists to encourage and equip people to seek a wilder path in life.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 4 | 136 contacts → | ||||
Partial evidence “Atlas Ocean Voyages is setting a new course for all-inclusive year-long expedition cruise travel, curated for fewer than 200 spirited explorers, led by seasoned expedition guides…” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 5 | 118 contacts → | ||||
Indirect evidence “Established in 1971 and headquartered in Aspen, Colo, Ski.com is the largest provider of mountain travel packages in North America.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 6 | 78 contacts → | ||||
Indirect evidence “Everyone says they go to the ends of the earth for their clients, but how many actually do?” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 7 | 57 contacts → | ||||
Partial evidence “A pioneer of travel to remote and challenging destinations since 1982, Geographic Expeditions offers a varied portfolio of overland tours, treks, walks, and expeditionary voyages…” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 8 | 53 contacts → | ||||
Indirect evidence “Alpine Ascents International is an international mountain guiding firm based out of our headquarters in Seattle, Washington.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 9 | 48 contacts → | ||||
Partial evidence “Antarctic Logistics & Expeditions (ALE) is a US company with a year-round office in Salt Lake City, USA.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 10 | 46 contacts → | ||||
Partial evidence “EYOS organizes superyacht expeditions to remote, culturally rich or wild locations across the globe.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 11 | 43 contacts → | ||||
Indirect evidence “Founded in 1912, the Colorado Mountain Club has been on the forefront of mountaincraft in Colorado for over a century.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 12 | 34 contacts → | ||||
Indirect evidence “Locally Owned Since 1987: The Portland Rock Gym has been turning Portlanders into climbers for 30 years.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 13 | 31 contacts → | ||||
Strong evidence “For nearly two decades, Alpenglow Expeditions has provided the highest caliber of mountaineering, trekking, climbing and skiing expeditions while creating new and innovative ways…” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 14 | 31 contacts → | ||||
Indirect evidence “The American Alpine Institute is an international climbing school and guide service that operates in six states and in sixteen countries.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 15 | 31 contacts → | ||||
Indirect evidence “Mountain Trip is a world-class mountain guiding service operating in Alaska and internationally since 1973.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 16 | 28 contacts → | ||||
Indirect evidence “The mountains have a profound ability to make us feel alive.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 17 | 21 contacts → | ||||
Indirect evidence “San Juan Mountain Guides (SJMG) is the premier provider of Ice Climbing,Rock Climbing, Alpine Climbing, Canyoneering, Backcountry Skiing, and Avalanche Course instruction in…” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 18 | 19 contacts → | ||||
Indirect evidence Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 19 | 18 contacts → | ||||
Indirect evidence “Jackson Hole Mountain Guides guide the Grand Teton and other mountains, rock climbs, and adventures in Grand Teton National Park.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 20 | 16 contacts → | ||||
Indirect evidence “The core of Golden State Guiding's business will always be slated in the mountains as this is where we feel most alive but the importance of educating our up and coming community…” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 21 | 16 contacts → | ||||
Indirect evidence “North America's oldest and most experienced guide service.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 22 | 16 contacts → | ||||
Indirect evidence “Shasta Mountain Guides is the original, and only local, guide service on Mt.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 23 | 11 contacts → | ||||
Indirect evidence “Northwest Alpine Guides is a mountain guide service based in Washington State.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 24 | 11 contacts → | ||||
Indirect evidence “Our objective is to provide high-end outdoor adventures with the best outfitters in the world.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 25 | 10 contacts → | ||||
Indirect evidence “Alpenwild offers exceptional hiking, walking, and trekking adventures in the Alps.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
RevenueBase Smart Search
RevenueBase Smart Search assesses information from a company’s LinkedIn profile, information supplied directly by the company, its website, and other publicly available sources. It uses that information to rate how closely the company relates to this list’s category: mountaineering expedition companies. Every row carries its rating and the description the rating was read from, so each one can be checked rather than taken on trust.
- Strong evidence
- The company's own public description of its business names mountaineering expedition companies.
- Partial evidence
- Its own public description names part of mountaineering expedition companies, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name mountaineering expedition companies. The match rests on the rest of the company's public profile rather than the one sentence quoted here, so this is the rating to check first.
RevenueBase Smart Search is how these lists are built: RevenueBase's data engine and AI assemble the companies that match a category defined in a user's own words, so a list can be about what companies actually do rather than about whichever industry code they were filed under.
Showing 25 of 182 mountaineering expedition companies based in the United States
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Mountaineering expedition companies based in the United States at a glance
As of Sep 20, 2026Companies by employee count
Email recency for this list is measured worldwide rather than for United States, so it is reported there. Company counts and contact totals on this page are exact for United States, over 182 companies.
How this list was built
Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among mountaineering expedition companies, so some rows will be adjacent to the category rather than pure plays. The description and RevenueBase Smart Search rating on every row are there so you can check each match yourself.
- Source
- The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase Smart Search, the natural-language company search available to every RevenueBase user.
- What qualifies
- Companies headquartered in the United States whose own description of what they do matches “mountaineering expedition companies”. Matching reads each company's description, not its industry code or its name.
- RevenueBase Smart Search
- RevenueBase Smart Search is how this list is assembled and how each row is rated. RevenueBase's data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to a category defined in a user's own words. Each row is rated strong evidence (its own description names mountaineering expedition companies), partial evidence (it names part of the category) or indirect evidence (the description shown names none of it and the match rests on the rest of the company's profile). The description supporting each rating is quoted on the row.
- What we exclude
- Companies whose own description does not clearly place them among mountaineering expedition companies, and records with no verified work email. Companies headquartered outside United States are excluded even when they keep an office there.
- Match quality
- In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and its RevenueBase Smart Search rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
- Ranking
- Team size, largest first: companies are ordered by the number of professionals RevenueBase tracks at each one. Employee ranges shown are reported bands, for context.
- Verification
- Every listed company carries at least one verified work email, 727 across the full list. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
- Refresh
- This page's figures were pulled from the company graph on September 20, 2026. Lists refresh periodically as the graph is re-checked.
- Corrections
- Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.
Frequently asked
What is RevenueBase Smart Search?
RevenueBase Smart Search is how RevenueBase decides which companies belong on this list and how strongly each one fits. Its data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to the category the list is about. Each row is rated strong evidence when the company's own description names mountaineering expedition companies, partial evidence when it names part of the category, and indirect evidence when the description shown names none of it and the match rests on the rest of the company's profile.
How many mountaineering expedition companies are there based in the United States?
RevenueBase identified 182 mountaineering expedition companies headquartered in the United States as of September 2026, matched on each company's own description of what it does rather than its industry code.
What is the largest company on this list?
Quark Expeditions, headquartered in Seattle, tops this list with the largest team on record.
Which city has the most mountaineering expedition companies?
Seattle leads with 11 headquartered companies, followed by Boulder (10) and Salt Lake City (6).
How do I get contact information for these companies?
A free RevenueBase account lets you run this exact search and work the top results, verified emails and direct dials included. Upgrading unlocks all 727 verified decision-maker contacts tracked across these 182 companies.
How current is this list?
The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 20, 2026.
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About this data
RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase Smart Search, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.
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