Roblox RegisterIndependent record of Roblox groups · not affiliated with Roblox Corporation
Black Mesa Security Department

Black Mesa Security Department #16056647

2
members (measured 3 Nov 2026, 06:54 UTC)
5 October 2022
created (per Roblox API)
10 August 2026
first measured by this register

RoleplayENroleplayfictional organizationsecurity theme

Description

"Working to make a better tomorrow for all mankind." The Black Mesa Research Institute is an organization with the purpose of protecting humanity. The Black Mesa Research Institute is continuously working hard to make a better and more secure future for all of mankind.

Written by the group; not a statement by this register.

Membership history

Growth

Growth history is still building. We hold one measurement for this entry. A trend needs at least two, taken days apart — so this will fill in on its own rather than being estimated. We do not publish numbers we have not measured.

Measurement log — every members count we have recorded
Measured (UTC)MembersChange
15 Aug 2026, 08:112first reading

Daily: the last measured count of each UTC day. Days with no new reading have no point. The full per-reading record is in the CSV and JSON downloads below.

Ownership

Owned by @Eityclaims17 as measured.

Groups seen changing owner — the largest ever handed over and the most recent — are on the ownership transfers board.

Members we’ve seen

@Eityclaims17 — The Administrator (rank 255)

Dino (@MrDinosaurLives) — Visitor (rank 1)

A sample — only members this register has independently measured, highest rank first. Not the full roster.

Rank structure

The Administrator0
The Executive Administrator0
Administrative Department0
General0
Colonel0
Major0
Captain0
Lieutenant0
Staff Sergeant0
Sergeant0
Corporal0
Private0
Cadet0
Miembro2
Visitor0
Guest0

Roles and per-rank member counts as Roblox reports them (rank 0 = guest … 255 = owner).

Open data

Download this group’s measured record — free to reuse with attribution: membership history (CSV) · full record (JSON)

Each file carries its licence and retrieval time inside it, and is generated from the same measurements shown above.