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Appropriate ongoing adjustments to security holder records.

Maintenance Margin

The money or securities an investor keeps in a margin account in order to be able to borrow from a brokerage for short sales or other purposes. The maintenance is kept as collateral until the brokerage calls the margin and the client pays back what is owed. FINRA requires that the maintenance kept must be at least 25% of the amount borrowed, while some brokerages require maintenances of up to 50%. See also: Restricted account.


the management process of repairing and maintaining buildings, plant, machinery and equipment to avoid breakdowns and disruption to production. Effective maintenance requires the firm to draw up appropriate plans and timetables, taking into account the frequency of maintenance required, available personnel, ordering and stocking of spare parts etc.

The maintenance function provides an important service to production, marketing and administration departments. Routine maintenance within a firm is often undertaken by the firm's own maintenance department, while major refurbishment of machines may be contracted to specialist outside firms.



The care and upkeep of a building to keep it in roughly the same condition as when it was first built,except for natural changes in the patina of finishes.

References in periodicals archive ?
Figure 48: Thermal Power Maintenance Services, Peru, Revenue by Fuel Type, ($m), 2005-2020 84
Figure 49: Thermal Power Maintenance Market, Peru, Percentage Share by Fuel Type, (%), 2011-2020 86
Figure 50: Thermal Power Maintenance Services, Latin America, Percentage Share by Service Providers (%), 2011 87
Figure 51: Thermal Power Maintenance Services Market, Asia-Pacific, Revenue ($ m), 2005-2020 88
Figure 52: Thermal Power Maintenance Market, Asia-Pacific, Percentage Share by Service Type, 2011 90
Figure 46: Thermal Power Maintenance Market, Maintenance Repair and Overhaul Services, Revenue ($m), 2011-2020 82
One example of how companies can turn maintenance into a profit center is through preventive maintenance.
The word maintenance typically is associated with negative connotations.
In an effort to view maintenance as a positive activity, try to see it as a profit center instead of a cost center.
Maintenance is the backbone of any organization where equipment must be maintained, including metalcasting plants.
Some of the tangible benefits of a CMMS include reduction in overtime, reduction of outside contract work, reduced maintenance backlog, reduced cost per repair, improved morale, better service, less paperwork and a reduction in the follow-up required by the supervisor.
Eventually, improved product quality will result from adequately monitoring predictive and preventive maintenance.

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