hypoxiachambers.comFree directory listings and optional paid, labeled placements. No payment is collected.
Free listings are available without purchasing a featured tier. No vendor has signed terms yet. Current directory listings are unpaid. These are offered monthly placement fees, approved on 15 November 2026.
$0 / month
Company name, category, public website, factual blurb and vendor contact link. Ordinary editorial directory placement. Corrections or removal on request. Eligibility for later shared non-exclusive quote notices after opt-in and written terms.
$79 / month
Everything in Free. Clearly labeled Featured badge, logo and longer directory profile. Higher labeled category placement below any exclusive Business slot. Labeled inclusion in Phase 2 quote shortlists after terms exist.
$149 / month
Everything in Basic. Labeled placement in a second relevant category or one country highlight. A short labeled mention on the matching educational page, without an editorial endorsement.
$299 / month
Everything in Pro. A labeled top slot for one category or country. First labeled position in the later matching quote shortlist and periodic profile refresh. One exclusive per category-and-country pair, only when a category has enough brands, 8 to 15, to make exclusivity meaningful.
Source: operator-approved rate card for hypoxiachambers.com, 15 November 2026, based on the supplied offer.md. Billing in US dollars. Prices do not include tax. Business can be offered as a top labeled tier before exclusivity is meaningful, without claiming a scarce exclusive slot.
Larger-project referral or lead fees are negotiated individually. No published cost-per-lead or commission percentage applies. Paid placement does not buy editorial order, an award or a “best of” ranking. No checkout or billing is active.